Q: Write a multi-choice question for the following article, with the given choices and answer: Article: The morning had been a disaster. My tooth was aching,and I'd been in an argument with a friend. Her words still hurt:"The trouble with you is that you won't put yourself in my place. Can't you see things from my point of view?"I shook my head stubbornly-and felt the ache in my tooth. I'd thought I could hold out till my dentist came back from holiday,but the pain was really unbearable. I started calling the dentists in the phone book,but no one could see me immediately. Finally,at about lunchtime,I got lucky. "If you come by right now,"the receptionist said,"the dentist will fit you in." I took my purse and keys and rushed to my car. But suddenly I began to doubt about the dentist. What kind of dentist would be so eager to treat someone at such short notice?Why wasn't he as busy as the others? In the dentist's office,I sat down and looked around. I saw nothing but the bare walls and I became even more worried. The assistant noticed my nervousness and placed her warm hand over my icecold one. When I told her my fears,she laughed and said,"Don't worry. The dentist is very good." "How long do I have to wait for him?"I asked impatiently. "Come on,he is coming. Just lie down and relax. And enjoy the artwork,"the assistant said. "The artwork?"I was puzzled. The chair went back. Suddenly I smiled. There was a beautiful picture,right where I could enjoy it:on the ceiling. How considerate the dentist was!At that moment,I began to understand what my friend meant by her words. What a relief! Options: A Cheerful. B Nervous. C Satisfied. D Upset. Answer: D Upset. Question:
A: Which of the following best describes the author's feeling that morning?

Question: Write a multi-choice question for the following article, with the given choices and answer: Article: The Royal Commission on Environmental Pollution has just published a report on new materials and has looked at the case of nanotechnology , which describes the science of the very small. Nanotechnology covers those man-made materials or objects that are about a thousand times smaller than the microtechnology we use, such as the silicon chips of computers. Nanotechnology gets its name from the nanometer, which is a billionth of a meter. There are about 600 consumer products already on the market that use nanotechnology. Nanomedicine is also being developed to fight cancer and other fatal diseases. The Royal Commission found no evidence of harm to health or the environment from nanomaterials, but this "absence of evidence" is not being taken as "evidence of absence". In other words, just because there are no apparent problems, this is not to say that here is no risk now or in the future. The commission is concerned about the pace at which we are inventing and adopting new nanomaterials, which could result in future problems that we are ill-equipped to understand or even find with current testing methods. One of the problems about nanotechnology is that when we make something very small out of a well known material, we may actually change the functionality of that material even if the chemical composition remains the same. Indeed, it is not the particle size that should concern us, but its functionality. Take gold, for example, which is a famously inert substance, and valuable because of it. It doesn't rust or corrode because it doesn't interact with water or oxygen. However, a particle of gold that is between 2 and 5 nanometers in diameter becomes highly reactive. This is not due to a change in chemical composition, but because of a change in the physical size of the gold particles. How can a change in size result in a change of function? One reason is to do with surface area. Nanoparticles have relatively a much bigger surface area. It is like comparing the surface area of a basketball with the total surface... Options: A expand surface area -increase interactivity - change functionality-cause possible dangers B expand surface area - change functionality - increase interactivity -cause possible dangers C increase interactivity - expand surface area - change functionality-cause possible dangers D increase interactivity - change functionality - expand surface area-cause possible dangers Answer: A expand surface area -increase interactivity - change functionality-cause possible dangers Question:
Answer: Which process explains that there might be risks in nanotechnology?

Question: Write a multi-choice question for the following article, with the given choices and answer: Article: An Australian inventor has designed and built an environmentally friendly ferry that uses solar and wind power to transport people around Sydney Harbor. Robert Dane and his Solar Sailor were given the top prize at the Australian Design Awards recently. The Solar Sailor has been in use for six months. It uses four sources of energy for its power -- solar, wind, battery power with stored solar energy and a fuel generator in store all controlled by computers. The ferry can travel up to 7.5 knots on just wind and solar power. It's solar wings and fiberglass solar panels which not only take in sunlight and store it in batteries, but also act as sails. "We angle our solar panels to the sun in two planes , which increases the amount of energy we get from the sun by 40 percent," Dane says. "And also we can use that same structure to do another job, which is also the sail, and so these wing sails actually push the ferry forward just like a soft sail does." Computers check the sun and wind and angle the solar wings to take in the most sunlight. If there isn't much wind or it is a cloudy day, energy stored in the batteries runs the electric motor for up to five hours. "If the batteries are too low, then the computer turns the generator on so the boat is always able to meet a commercial schedule, or get from point A to point B no matter what," Dan explains. Dane got his idea for the Solar Sailor from a book on insects. He was amazed how insects use their wings to collect solar energy to warm themselves. "When I read that, I realized there was a good example in nature for what we were going to do, which was to use a solar wing to collect solar energy and also to sail," he says. Options: A the ferry sails at a speed of 7.5 kilometers an hour B the ferry is good for the environment C four sources of energy for the ferry are controlled by Dane D solar energy needn't be stored in case of good weather Answer: B the ferry is good for the environment Question:
Answer:
We can learn from the passage _ .