2. Mr. Cogan is a writer. He also takes care of hischildren. He writes (from/in/at)8:00 (to/in/on)12:00 every day. Then he picks up his daughter. He takes care of her (on / in / from) the afternoon.
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3. Mr. Nagley is ateacher. He teaches (in/at/from)September (to/in/at) June. (At/From/In) the summer, he travelsand does volunteer work.
4. My friend Stuartwas born (on/in/at) December 31. In otherwords, he was born (in/on/at) NewYear's Eve. Naturally he has a big party every year (in/at/on)his birthday!
5. I am expectingan important phone call (in/to/at) 1:00p.m. I can meet you later (on/in/at)the afternoon.
高度分为绝对高度、相对高度、真实高度和()
A. 参照高度
B. 起飞高度
C. 标准高度
D. 标准气压高度