问题
单项选择题
蛔虫的寿命为（）
A.8～10个月
B.10～12个月
C.3～6个月
D.1个月
E.约2年
答案
参考答案：B
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蛔虫的寿命为（）
A.8～10个月
B.10～12个月
C.3～6个月
D.1个月
E.约2年
参考答案：B
| Fill in the blank with a proper preposition or adverb in the box. (用方框里恰当的介词或副词填空。) | |
2. In order _________catch the train, we got up early this morning. 3. I stay_________ home to do homework today. 4. If I have enough money, I will travel _________the world. 5. _________fact, I know all the things about the singer. |