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【单选题】
当顺序阀以进口压力作为控制压力时,则称该阀为( )式顺序阀。A.
内控
B.
外控
C.
中控
D.
液控
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【单选题】—What's your father doing now? —He _____ the room. [ ]
A.
cleaned
B.
cleans
C.
has cleaned
D.
is cleaning
【简答题】什么是压力容器的耐压试验？
【简答题】男士服务员头发礼仪要求:前发不 、侧发不 、后发不及领。
【单选题】— What's your feeling now? — I am terribly sorry. If only I here yesterday! [ ]
A.
came
B.
would have come
C.
have come
D.
had come
【简答题】什么是压力容器的耐压试验？
【简答题】选择正确的答语。 ( ) 1. What's the temperature now? ( ) 2. What's your favourite shape? ( ) 3. How many lines are there in the picture? ( ) 4. How's the weather today? ( ) 5. Do you brush ...
【简答题】what's your dream when you were little? what's your dream now? what are your parents' dream for you?
【简答题】自学幼儿歌曲《卖报歌》：歌唱情绪设计合理，能根据歌曲情绪设计声势节奏型，并能合理地设计半终止、全终止。
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