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问题 选择题

The boy caught _____ the flowers was fined. [ ]

A. to pick

B. picking

C. to have picked

D. having picked

答案

答案：B

解答题
已知Z1=i3，Z2=
1-3i
1-i

（1）如果Z=
.
Z2
，求|Z|；
（2）如果Z=Z1+aZ2，且Z为纯虚数，求实数a．
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听力题

小题1:Turn on your computer and (连接) to the Internet.

小题2:It’s an __(荣幸) to talk with all of you here.

小题3:The English has also __(吸收) in many new words from other languages.

小题4:(行动) speak louder than words.

小题5:My teacher told me that I was an (优秀的) student.

小题6:We __(成功) in finishing the hard work yesterday.

小题7:The boss has ­­­­­­­­­(大概) gone home.

小题8:If we go to the West Hill, we’ll see bees and butterflies __(跳舞).

小题9:What’s the p of China?  It’s about 1.3 billion .

小题10:I hope the government will s_ the problems soon.
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