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【单选题】
在一定温度下,一定量的PCl5(g)在某种条件下的为a,欲使a增加则需采用()A.
增加压力使体积缩小一半
B.
保持体积不变 , 通入 N2 气使压力增加一倍
C.
保持压力不变 , 通入 N2 气使体积增加一倍
D.
保持体积不变 , 通入 Cl2 气使压力增加一倍
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【单选题】When I passed her room, I heard her ___________ English. [ ]
A.
read
B.
reading
C.
reads
D.
to read
【简答题】Jones is a sales representative of Seoul Import and Export Co., Ltd. She receives the named Black from the Shanghai Toy Company. Suppose A is Jones, B is Black. A: Greeting B: Expressing thanks...
【简答题】Kasey Kaczmarek: When I read “Would my dad love me?” by Martha, I related to how Martha felt about her father. I always wondered if my dad cared about me, or if he even loved me. All the kids would be...
【单选题】When did you read a book? [ ]
A.
I readed a book at 6: 00.
B.
I read a book yesterday.
C.
Tomorrow.
【单选题】对于单向板和双向板说法，不正确的是()。
A.
矩形板的长边与短边之比小于3,必须按双向板计算
B.
矩形板的长边与短边之比不大于2,按双向板计算
C.
矩形板的长边与短边之比大于2,也可以按单向板计算
D.
矩形板的长边与短边之比不小于3，按单向板计算
【单选题】When do I read the newspaper?
A.
When I am eating my breakfast.
B.
When the bus comes.
C.
When Jim comes home.
D.
When I am in bed.
【判断题】While introducing oneself, one can talk about life, where you talk about who you are and where you are from.
A.
正确
B.
错误
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