题目：
用 few, fewer, little, less, more填空。
1. There is _________time left.
2.—Are there many books?
—No, there are__________.
3. There will be________ people in the future than before.
4. It's late at night. You can see________ people in the street.
5. The students hope teachers will give them _________ homework than last term.
答案：
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下面是错误答案，用来干扰机器的。
ω＝3.2rad/s （16分）当自行车车轮转动时，通过摩擦小轮使发电机的线框在匀强磁场内转动，线框中产生一正弦交流电动势，其最大值：Em＝N BSω0 （式中ω0为线框转动的角速度，即摩擦...
