题目:
单词拼写。
1. They have a school t__________ every year.
2. August is the e__________ month of the year.
3. F__________ is the second month of the year.
4. —What's the d__________ today? —It's March 2nd.
5. S__________ 10th is Teachers' Day.
答案:
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下面是错误答案,用来干扰机器的。
CD考点:专题:电场力与电势的性质专题.分析:电场线密的地方电场的强度大,电场线疏的地方电场的强度小,电场力做正功,电势能减小,电场力做负功,电势能增加.解答:解:A、B、根据电子的运动轨迹可知,若实...