阅读理解。
Harry keeps a diary. He writes in it every day. Here is his diary for a week in May.
Monday 15th
It rained all day so we did not have PE class. We stayed in our classroom and read our books.
Tuesday 16th
I missed the bus and was late for school. It wasn't my fault (错误). The bus was early.
Wednesday 17th
I had an English exam today. I got 96. I made only one mistake.
Thursday 18th
I went swimming with Ben. A swimming teacher taught us to dive (潜水).
Friday 19th
I was sick all day. I caught a cold at the swimming pool. I stayed in bed and slept all day. I felt better
in the evening. I'm glad it is Friday, not Saturday or Sunday.
Saturday 20th
I am much better today, but Mum made me stay at home. I watched television all day. It was
boring (讨厌的).
Sunday 21st
I didn't do anything interesting today.
选择正确答案填空。
1. What's the main idea of this passage?
A. Harry went swimming with Ben.
B. Harry has PE class on Mondays.
C. Harry missed the bus on Thursday.
D. Harry writes in his diary every day.
用短文中所出现的单词完成下列句子。
2. I know I was _______ for the movie became it had already started.
3. It wasn't my _______ that I missed the bus, it was early.
4. Every evening Lucy writes in her _______ about what she did that day.
5. Jack knew he was _______ for the meeting because he was the first to arrive.
，将一质量为
的小环套在杆上，通过轻绳悬挂一个质量为
的小球，由静止释放后，小环与小球保持相对静止且以相同的加速度
一起下滑，此时绳子与竖直方向夹角为
，则下列说法正确的是（ ）
，与