问题 选择题

如图所示各图中,A、B两点电场强度相同的是(    )                   

答案

答案:C

场强是矢量,A中两点场强大小相等,方向不同,BD中场强大小不同,C正确

完形填空

小题1:It was not easy to walk in these suits, but we slowly                        (向……走去) the edge of the crater and looked down into the red, boiling centre.     (make)

小题2:I do hope so because I want you to live                               (长寿和健康的生活) as I have.    (as)

小题3:Every time you feel like smoking a cigarette,           (提醒自己) you are a non-smoker.                                                                                              (remind)

小题4:                    (很有可能) you will die if you get infected with HIV. (likely)

小题5:There is no doubt                 (是人类活动) that has caused this global warming rather than a random but natural phenomenon.                                           (activity)

小题6:         (位于更高的地势), her mother’s house would be safe from the floods. (be)

小题7:Without the new paints and the new technique,                               (我们不能看见) the many great masterpieces for which this period is famous.     (able)

小题8:Have your journalists ever had a case     (有人控告他们) getting the wrong end of the stick? (accuse)

小题9:     (除了这个事实外) butts spoil the beauty of the environment, they contain some very toxic chemicals. (apart)

小题10:My brother suggested me not taking an umbrella, but hardly                      (我一出去) the house when it began to rain.     (get)

问答题 简答题