题目内容
Many difficulties have ______ as a result of the changeover to a new type of fuel.
- A.risen
- B.arisen
- C.raised
- D.arose
B
解析：
试题
分析：句意：由于改变了成一种新型的燃料，许多困难出现了。Rise上升；
arise出现；
raise提高；
arose是arise的过去式，arisen是过去分词；
因为前面有have，所以后面应该用过去分词，根据句意故选B。考点：考查动词辨析。
点评：本题难度适中。对于动词辨析题命题者提供的四个词词形相似，容易混淆，考生很可能将其意义张冠李戴，所以考生应牢记它们的用法及意义，并根据具体的语境做出正确的判断。即学即练：Please ___ your head and look at the blackboard.A. rise B. arise C. raise D. arose解析：C。句意：请抬起头来，看黑板。
解析：
试题
分析：句意：由于改变了成一种新型的燃料，许多困难出现了。Rise上升；
arise出现；
raise提高；
arose是arise的过去式，arisen是过去分词；
因为前面有have，所以后面应该用过去分词，根据句意故选B。考点：考查动词辨析。
点评：本题难度适中。对于动词辨析题命题者提供的四个词词形相似，容易混淆，考生很可能将其意义张冠李戴，所以考生应牢记它们的用法及意义，并根据具体的语境做出正确的判断。即学即练：Please ___ your head and look at the blackboard.A. rise B. arise C. raise D. arose解析：C。句意：请抬起头来，看黑板。
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