_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn, ap
题型：不详难度：来源：
_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn,
apples and sweet potatoes.| A．If | B．While | C．Because | D．Since |
|
答案
| B |
解析
| 考查连词。If如果，是否；While当什么时候，尽管；Because因为，由于；Since因为，自从。句意：尽管熊猫百分之九十九的食物是竹子，她也吃玉米，苹果和红薯。所以选B。 |
举一反三
_____ computers are convenient to us in daily life, it may also cause other problems.| A．Whether | B．Because | C．As | D．While |
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Betty shows great interest in this poem now, but she thought it boring she read it.| A．at the first time | B．the first time | | C．for the first time | D．at first |
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| I had been puzzled over the problem for over an hour without any result, all at once a solution flashed across my mind. |
Stand up _______ you fell down, and I’m sure you’ll succeed in time.| A．until | B．where | C．before | D．which |
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The newly-married couple quarreled so much that they reached the point _______ they had to separate from each other.| A．when | B．where | C．which | D．that |
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