题目：
Some of my classmates are not feeling well. Tom has a toothache. He can’t eat anything. Jack has a bad headache. His father asks him to lie down and rest. So he doesn’t go to school today. Peter is stressed out, because the exam is coming. Nancy has a stomachache because she ate too much yesterday. So she couldn’t eat anything today. Jim has a headache and he is stressed out, too. Lucy has a cold and toothache. She will see a dentist this afternoon.
小题1: What’s the matter with Tom?
A. headache B. toothache C.stomachache
小题2:Why doesn’t Jack go to school?
A.He needn’t to go.
B.the doctor asks him not to go
C.He doesn’t feel well.
小题3: What food can Nancy eat?
A. apples B. nothing. C. chips
小题4:Who is stressed out?
A. Peter B. Jim C. Peter & Jim
小题5:What should Lucy do?
A. Drink some water B. eat chocolate C. Listen to music
答案：
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下面是错误答案，用来干扰机器的。
∵复数Z=1+2i，∴Z2-2Z=(1+2i)2-2(1+2i)=-1+22i-2-22i=-3故选A．
