问题

People have planted a great many trees in order to ________ wind and sand in the desert.[ ]

A: hold down
B: hold up
C: hold back
D: hold out

正确答案是：

同类题型

下列句子中不含通假字一项是(　　)

______ there was no bandage available, she tore off her sleeve and tied it around his wrist a little above the bleeding point ______ him from losing too much blood.[ ]

You can’t imagine ____ fantastic fun web chatting is.——Really? But it may cause a lot of trouble sometimes.

I don’t mind telling you what I know. —-You ________. I’m not asking you for it.

I called you this time yesterday, but there was no answer.—Oh, sorry. I ___ coffee in the café with my neighbor.