问题
不定项选择
主要用于管网分流、合流或旁通处各支路风量调节的风阀是（ ）。
A．平行式多叶调节阀
B．对开式多叶调节阀
C．菱形多叶调节阀
D．复式多叶调节阀
答案
参考答案：D
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主要用于管网分流、合流或旁通处各支路风量调节的风阀是（ ）。
A．平行式多叶调节阀
B．对开式多叶调节阀
C．菱形多叶调节阀
D．复式多叶调节阀
参考答案：D
| 阅读理解。 | |||||||||||||||
| Mary, Lucy, Xiao Wang and Wei Fang are talking about their favorite months in a year. Mary loves December because she loves Christmas (圣诞节). She can play happily and receive (收到) many presents. And she doesn't like June because it rains (下雨) often at that time. Lucy chooses (选择) July because she can go on holiday (假期). Every summer holiday, her parents take her to travel (旅行) around the country. Xiao Wang thinks March is the best month in a year. It's very sunny, but not too hot. People can go camping and enjoy fresh air (新鲜空气). Wei Fang enjoys October a lot because there is Mid-autumn Festival (中秋节). It is sunny as well. They all agree (同意) that the worst (最坏的) month is September because they have exams (考试) in that month. | |||||||||||||||
| 1. Who loves December? | |||||||||||||||
| A. Lucy B. Mary C. Xiao Wang D. Wei Fang | |||||||||||||||
| 2. Why does Lucy like July? Because she can ________. | |||||||||||||||
| A. go shopping B. go to school C. join the art club D. go on holiday | |||||||||||||||
| 3. Which month don't they like? | |||||||||||||||
| A. September B. January C. February D. December | |||||||||||||||
| 4. Why don't they like that month? | |||||||||||||||
| A. It's too hot. B. It's cold C. There are exams D. It's sunny | |||||||||||||||
5.
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