下列各大洲中，跨越东、西半球和南、北半球的是[ ]
A．欧洲
B．大洋洲
C．北美洲
D．南美洲
答案：B
用所给单词的适当形式填空。
1. I warned you _________ (not cross) the street. It's dangerous.
2. She has to avoid _________(eat) fatty (多脂肪的) food.
3. Kangkang didn't notice Hugh _________ (leave).
4. The bus was crowded with _________ (passenger).
5. My English teacher was very _________ (satisfy) with my homework.
在Excel中，“清除”和“删除”具有相同的功效，仅是说法不同而已。( )
