问题
单项选择题
Ｆ－1型园形浮阀也称Ｖ－1型浮阀，可分为（）二种。
A、轻阀和重阀
B、普通阀
C、特殊阀
答案
参考答案：A
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Ｆ－1型园形浮阀也称Ｖ－1型浮阀，可分为（）二种。
A、轻阀和重阀
B、普通阀
C、特殊阀
参考答案：A
从下面所给出的词汇中选出恰当的词汇，用正确的形式填空，其中有2个多余的词汇。
2. The report ______the importance of improving safety standards. 3. He _________his daughter to change her mind. 4. Parents worry about the _______________of music on their adolescent's behavior. 5. An earthquake left the whole town in ___________. 6. What _________him most was their speed. 7. Smoking __________in the building. 8. Success and wealth _________ his character. 9. An important _____________ of Van Gogh's paintings is their bright colors. 10. Lions and house cats evolved (进化)from a common ____________. |