直线L:与平面∏:2x+y-4z=6的位置关系是()。
A.L垂直于∏
B.L与∏相交,但不垂直
C.L与∏平行,且L不在∏上
D.L在∏上
参考答案:C
解析:
词形填空。
1. How many ______ (teacher) are there in your school?
2. I have three _______( watch ).
3. There are some _______( orange) on the table.
4. Tom is a little _______ ( strong) than Mike.
5. I think English is _______ (important) than any other subject.
6. Put some _______(butter) on the slice of bread.
7. How many ________(slice) of bread are there on the table?
8. Would you like some ______(relish)?
9. Can you peel two _______(tomato) for me?
10. How _______ (many) yogurt do we need?
在2000年悉尼奥运会上,中国体育代表团获得前所未有的好成绩,共获得多少枚金牌()
A.18
B.20
C.28
D.32