下列科中()主要分布于热带和亚热带1.泽泻科2.水鳖科3.槟榔科4.天南星科
A.1、2
B.1、2、3
C.2;3、4
D.3、4
参考答案:C
某县城到省城的公路长180千米.一辆汽车走高速公路的速度是90千米/小时,走普通公路的速度是60千米/小时.从县城到省城走高速公路比普通公路节省多少时间?
根据句意和首字母提示完成单词。
1. What is the p_____of the meeting?
2. Missing the train m_____waiting for an hour.
3. I won't w_____that he should have refused to help.
4. We will c_____the New Year with a party.
5. N_____ Day is on the first day of October.
6. A_____, I don't know the answer,either.
7. New Year is a traditional Chinese f_____.
8. They want to travel d_____the holiday.
9. He doesn't want to go out. He wants to r_____at home.
10. There are many d_____between living in a city and living in the country.