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【多选题】
光敏电阻的优点是()。
A.
很高的灵敏度
B.
光谱响应的范围很大
C.
体积小
D.
性能比较稳定
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【单选题】给水、排水及采暖工程中,( )。
A.
承压和非承压设备均只需做灌水试验
B.
各种承压管道系统和非承压管道系统均应做水压试验
C.
各种承压管道系统应做水压试验,非承压管道系统应做灌水试验
D.
承压和非承压设备均应做水压试验
【多选题】承台分为
A.
低承台
B.
高承台
C.
中承台
D.
矮承台
【单选题】预制装配式混凝土楼梯梯段的支撑方式主要有( )种。
A.
梁承式
B.
梁承式、墙承式
C.
梁承式、墙承式、悬挑式
D.
梁承式、墙承式、悬挑式、悬拉式
【单选题】May I have your room _____?
A.
card
B.
n umber
C.
b ill
D.
i d
【简答题】Clerk: Good morning! China Southern Airlines. What can I do for you? Mr Anderson: Yes, I’d like to confirm my reservation for tomorrow. Clerk: May I have your name, please? Mr Anderson: Certainly. It’...
【单选题】铸铁给水管分承插式和 两种,铸铁下水管只有承插式一种。
A.
单承式
B.
双承式
C.
多承式
D.
法兰式
【简答题】请你根据某学校的一个广播通知,填写下面的海报。 May I have your attention, please? I have an announcement to make. Since the A/H1Nl flu is around us, we should pay great attention to our health and get some knowledge about t...
【简答题】听力原文:A: Next, please. Good afternoon, sir. May I have your disembarkation card? B: What ? A: Your landing card. Do you have one? B: No. I have no card. A: I see. Well, I'm afraid you need One. Here, l...
【简答题】听力原文:Woman: Next,please.Good afternoon,sir.May I have your disembarkation card? Man: What? Woman: Your landing card.Do you have one? Man: No.I don't. Woman: I see.Well,I'm afraid you need one.Here,let...
【单选题】A:May I have your name, sir? B:( )?
A.
Y es, you may
B.
N o, you must not
C.
M y name is John Smith
D.
T hank you
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