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Read the following article and select the best answer. Article: After my sixth voyage I was quite determined that I would never go to sea. One early spring day, however, I was brought to see the Caliph. He said, "Sindbad, I have chosen you to deliver a letter and a gift to the King of Serendib in return for his message of friendship." The Caliph's commandment fell upon me like a thunderbolt . "Your Majesty," I answered, "I am ready to do all that your Majesty commands, but I have made a promise never again to leave Baghdad." "I admit," said he, "that you have indeed had some extraordinary experiences, but I do not see why they should prevent you from doing as I wish. You have only to go straight to Serendib and give my message, and come back as you will." At last, I agreed. The Caliph was delighted and gave me a thousand sequins (gold coins) for the expenses of the voyage. Soon I sailed quickly and safely to Serendib after a nearly 30-day voyage where I was well received, and brought into the presence of the king. I displayed the Caliph's gifts: a bed which cost a thousand sequins, and more beds of different fashion. The King received the assurance of the Caliph's friendliness with satisfaction. Since my task was accomplished, I was anxious to depart. The king dismissed me with many presents, and I left immediately on the end day of May. On the fifth day we suffered from pirates who killed some of us and made the rest prisoners of whom I was one. On a distant island they sold us for slaves. I fell into the hands of a rich merchant. The merchant asked me to shoot elephants in the forest. When he left, he said, "When you have succeeded in killing one come and tell me." So saying, he gave me a supply of food and returned to the town. I settled myself in the tree and kept watching. The next morning I saw a large group of elephants passing by. I shot one to death and run back to tell my master of my success, for which I was praised and regaled(,) with good things. Then we went back to bury the elephant I had killed, in order that when it became a skeleton my master might... Question: According to the passage, we can infer that _ . - It was most probably Sindbad's sixth journey in Europe - It was most probably Sinbad's last voyage on sea - It was on the 4th day that Sindbad was caught by pirates - It was on the sixth day thatSindbad freed from the pirates
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It was most probably Sinbad's last voyage on sea

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Read the following article and select the best answer. Article: Which is safer --- staying at home, traveling to work on public transport, or working at the office? Surprisingly, each of these carries the same risk, which is very low.However, what about flying compared to working in the chemical industry? Unfortunately, the former is 65 times riskier than the latter! In fact the accident rate of workers in the chemical industry is less than that of almost any of human activity, and almost as safe as staying at home. The trouble with the chemical industry is that when things go wrong they often cause death to those living nearby.It is this that makes chemical accidents so newsworthy.Fortunately, they are extremely rare.The most famous ones happened at Texas City (1947), Flixborough (1974), Seveso (1976), Pemex (1984) and Bhopal (1984). Some of these are always in the minds of the people even though the loss of life was small.No one died at Seveso, and only 28 workers at Flixborough.The worst accident of all was Bhopal, where up to 3,000 were killed.The Texas City explosion of fertilizer killed 552.The Pemex fire at a storage plant for natural gas in the suburbs of Mexico City took 542 lives, just a month before the unfortunate event at Bhopal. Some experts have discussed these accidents and used each accident to illustrate a particular danger.Thus the Texas City was caused by tons of ammonium nitrate, which is safe unless stored in a great quantity.The Flixborough fireball was the fault of management, which took risks to keep production going during essential repairs.The Seveso accident shows what happens if the local authorities lack knowledge of the danger on their doorstep.When the poisonous gas drifted over the town , local leaders were incapable of taking effective action.The Pemex fire was made worse by an overloaded site in an overcrowded suburb.The fire set off a chain reaction of exploding storage tanks.Yet, by a miracle, the two largest tanks did not explode.Had these caught fire, then 3,000 strong rescue team and fire fighters would all have died. Question: Chemical accidents are usually important enough to be reported as news because _ . - they are very rare - they often cause loss of life - they always occur in big cities - they arouse the interest of all the readers
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they often cause loss of life

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Read the following article and select the best answer. Article: Have you ever lost your car on a parking lot? You don't have a clue where your car is after shopping. Then you start walking around clicking on your car keys so the alarm goes off. It can be annoying, especially on a hot sunny day. No, you needn't install an expensive GPS system to keep track of your car. That's too expensive. You would need to pay a monthly fee to use it. But is there a way to track your vehicle without spending a fortune? Yes, now there is! A California-based company has created a tiny device that works with your smartphone, which could be exactly what you're looking for! What is it? It's called TrackR. It is a state-of-the-art tracking device the size of a coin. It's changing the way we keep track of the important things in our lives. How does it work? It's easy! Install the free TrackR app on your smartphone, connect the app to your device and you're ready to go! Simply attach TrackR to whatever you want to keep an eye on. The entire process of setting it up only takes 5 minutes or less. You can attach it to your keys, briefcase, wallet, your latest tech gadgets and anything else you don't want to lose. Then use the TrackR app to locate your missing item in seconds. If you forget where you have parked your car, pull out your smartphone and open the TrackR app. Tap on the "find device" button on the screen and the app will tell you the exact spot of the last known location of the TrackR. What else can I do with TrackR? The device is small and unnoticeable enough that you can attach it to your pet. Put it on their collar, and the issue of searching for them when they run away to nearby places will be over! You'll never waste a minute searching the whole house for it. TrackR even comes with a double-sided glue so you can stick it to your laptop or under your bike seat. Track down and punish the thieves who steal your expensive things! How much does it cost? You're probably thinking that this device is very expensive. False! TrackR only costs $29! That's a small price to pay for peace of... Question: From the passage, we learn that TrackR can _ . - help you locate your important things - track your wallet through GPS system - work better after you pay monthly fee - take good care of your pets at home
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help you locate your important things