更多"What has sometimes caused plants to"的相关试题:
[单项选择]What has sometimes caused plants to die out
A. Interference from foresters.
B. Variations in climate.
C. The absence of wooded land.
D. The introduction of new type of plants.
[单项选择]What has sometimes caused plants to die out of the past
A. Interference from foresters.
B. Variations in climate.
C. The absence of wooded land.
D. The introduction of new type of plants.
[单项选择]With out my glasses I can hardly tell what has been written in the letter．
A. 如果不戴眼镜，我几乎不能说出信上写的是什么内容。
B. 如果不戴眼镜，我也差不多能看清信上写的什么内容。
C. 如果不戴眼镜，我很难辨认出信上写的是什么内容。
D. 如果戴着眼镜，我就能辨认出信上写的什么内容了。
[单项选择]
--Ann has gone out.
--（） What time did She go.
A. Well, isn't she
B. Yes, she has.
C. No, she hasn't.
D. Oh, has she
[单项选择]What has happened to Sam
A. His nose is running.
B. He has caught a cold.
C. He has got a headache.
D. He has got ache all over.
[单项选择]What has happened to Tomaz Humar
A. He fell off the mountain.
B. He lost his way to his base camp.
C. He was held by ice screws and ropes on the cliff.
D. He lost his sleeping bag.
[单项选择]What has happened to the man
A. He needs a gas station.
B. He lost his way home.
C. He wants to go to the hospital.
D. He lost the letter to be posted.
[单项选择]What has made the vessel trapped
A. Sea waste
B. Sea plants
C. Sea animals
D. Fishing nets
[单项选择]What has caused the pollution problem
A. Careless methods of production.
B. Lack of consumer demand for environment friendly products.
C. Millions of tons of glass, paper, plastic and metal containers are produced.
D. Both[A]
[单项选择]What has the NASA report revealed
[单项选择]What has happened to the soil
A. It has become hard to break.
B. It has become soft for the plow.
C. It is going to be baked though hard.
D. It is going to be an ongoing thing to get wors
