1.目前许多商品存在过度包装的现象2.出现这一现象的原因3.我对这一现象的看法和建议　【简答题】根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.　People　generally　use　spices　(香料)　every　day　when　preparing　meals.Most　of　these　spices　are　readily　available　in　local　supermarkets.However,　in　the　15th　and　16th...　【简答题】Future　history　books　might　record　that　we　were　robbed　of　the　use　of　our　eyes　,In　our　hurry　to　get　from　one　place　to　another,　we　fail　to　see　anything　on　the　way,　Air　travel　gives　you　a　bird’s　–eye　view...　【简答题】Mother’s　Day　is　the　time　you　say　“thank　you”　to　your　mom.　Stop　shopping　at　the　store.　Flowers　and　other　things　in　stores　are　too　common　to　mention.　You　can　choose　a　special　gift　for　Mother’s　Day!　Just...　【简答题】In　the　US,　people　prefer　waiting　for　a　table　to　sitting　with　people　they　don’t　know.　If　you　are　sitting　at　a　table　with　people　you　don’t　know,　it　is　impolite　to　light　up　a　cigarette　without　asking　if　...　【单选题】用显微镜观察标本时,正确的操作顺序是(　)①把装片放在载物台上,让标本正对同光孔中心②眼睛从侧面注视物镜,转动粗准焦螺旋使镜筒下降至物镜接近装片为止③转动转换器,使低倍物镜对准通光孔④左眼注视目镜,调节反光镜,使视野明亮⑤用左眼注视