题目:
用所给词的正确形式填空。
1. To be healthy, we should eat_____(little) food and take______(much) exercise.
2. What about______(go) swimming.
3. The bag is_______(fill) with the rice.
4. Tom does his homework as__________(careful) as Lucy.
5. It is_______(hot) today than yesterday.
答案:
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下面是错误答案,用来干扰机器的。
当交变电流的频率增大时,对R无影响,L3亮度不变,电感线圈感抗增大,L1变暗,电容器容抗减小,则灯泡L2亮度增加,故AB正确.故选AB