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【单选题】
影响燃气涡轮喷气发动机推力的因素有( )A.
发动机的重量
B.
低热值
C.
进气速度
D.
喷气速度
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【简答题】阅读理解. When I was an education official in Palo Alto,California,Polly Tyner,the president of our school board,wrote a letter that was printed in the Palo Alto Times.Polly's son,Jim, had great difficult...
【简答题】When I was an official of a school in Palo Alto, California, Polly Tyner, the president of our board, wrote a letter that was printed in the Palo Alto Times. Polly’s son, Jim, had great difficulty in ...
【简答题】阅读理解。 When I was an educational official in Palo Alto, California, Polly Tyner, the president of our school board, wrote a letter that was printed in the Palo Alto Times. Polly's son, Jim, had great d...
【单选题】When Polly and Digory felt afraid, who suggested that they should go home?
A.
Uncle Andrew.
B.
Digory.
C.
Polly
【单选题】Polly observed that she ______ by a tall man in a dark coat when she ______ the faces around her on the train.
A.
was watched; stared at
B.
was being watched; glanced at
C.
was being watched; glared at
D.
was watched; looked at
【单选题】When Polly and Dogory felt afraid, who suggested that they should go home?
A.
Uncle Andrew
B.
Digory
C.
Polly
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