问题
单项选择题
以下说法不正确的是( )。
A．太阳能集热器以工作压力的1.5倍为试验压力
B．太阳能集热器做压力试验时，试验压力下10min内压力降小于0.02MPa为合格
C．热交换器热水部分应以工作压力的1.5倍做水压试验，且不低于0.4MPa
D．热交换器蒸汽部分应以工作压力的1.5倍做试验压力，且不低于蒸汽供汽压力加0.3MPa
答案
参考答案：B
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以下说法不正确的是( )。
A．太阳能集热器以工作压力的1.5倍为试验压力
B．太阳能集热器做压力试验时，试验压力下10min内压力降小于0.02MPa为合格
C．热交换器热水部分应以工作压力的1.5倍做水压试验，且不低于0.4MPa
D．热交换器蒸汽部分应以工作压力的1.5倍做试验压力，且不低于蒸汽供汽压力加0.3MPa
参考答案：B
完形填空。 (每小题1分，共15分) 阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出一个最佳选项。 Hello, my friends, long time no see! My family and I went on a 1 trip to Europe during our recent vacation. We visited Paris, France, and London, England. Here I want to share my tour of Paris with you. 2 we set out, we all expected (期望) a fun and interesting vacation. For my sister and me, our stay in Paris had 3 meaning. It was a golden chance(机会) 4 our French, since English and French are the two official (官方的) languages in Canada. My mom doesn’t speak French, and my sister can’t speak it very 5 (she is only in Grade Three). So it was my duty 6 directions(方向), order food, and deal with any person-to-person communication. I was, of course, really nervous: 7 they couldn’t understand my French 8 I couldn’t understand theirs? My 9 soon went away. The people in Paris 10 very happy to answer my questions. They listened patiently (耐心地) and carefully, and spoke slowly 11 we could understand. One gentleman was even kind enough to lead us to the hotel we were 12 . 13 the places we visited? We visited many places in Paris. My sister liked the Eiffel Tower and the Arc de Triomphe (凯旋门). My mom liked the Louvre Museum(卢浮宫) most. Her favorite painting was the Mona Lisa. Which places did I like? I liked all of them. 14 its romantic air, people’s friendly greetings (问候) and historic buildings, Paris is a city that we will 15 forget.
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