O.85和O.850的大小相等，计数单位不相同．______．（判断对错）
由分析可知，O.85和O.850的大小相等，但计数单位不相同；
故答案为：正确．
暂缺听力音频
（ ）
完成句子。
1. — _____ (你们玩的高兴) in Paris last week? (enjoy)
—Yes, of course. We visited Eiffel Tower.
2. _____ (别忘了锁门) when you leave the room. (forget)
3. _____(谁将照看) your child while you travel to Tibet? (take)
4. —_____ (你似乎熟悉) your way around this city. (seem)
—That's true. I worked here two years ago.
5. —How hard your sister works!
—That's why she _____ (她所有学科都学的好). (do)
6. —What's the best way to improve my Chinese?
—You can _____ (通过讲汉语来学习). (learn)
7. —Why do you _____ (更加关注这幢新楼房了)? (pay)
—Because I want to move here.
