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【单选题】
下列各组分子或离子中,均呈顺磁性的是()。A.
、 ;
B.
、 ;
C.
、 ;
D.
、 。
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皮皮学刷刷变学霸
举一反三
【单选题】The steering gear was out of work,so the ship had to require escort
A.
The ship needed escort due to being under attack by pirates
B.
The ship needed escort due to being aground
C.
The ship needed escort due to being disabled
D.
The ship needed escort due to being on fire
【单选题】I have problems with rudder.I require escort
A.
The vessel needs assistance due to steering gear problem
B.
The vessel needs assistance due to engine problem
C.
The vessel needs escort due to propeller problem
D.
The vessel needs escort due to rudder problem
【单选题】— When _____ the film _____ ? —It _____ for five minutes.
A.
has/ begun; began
B.
did/ begin; has been on
C.
has/begun; has been on
D.
will/ begin; is going to begin
【单选题】I have problems with propeller.I require escort
A.
The vessel needs assistance due to steering gear problem
B.
The vessel needs assistance due to engine problem
C.
The vessel needs escort due to propeller problem
D.
The vessel needs escort due to rudder problem
【单选题】I have problems with steering gear.I require escort
A.
The vessel needs assistance due to steering gear problem
B.
The vessel needs assistance due to engine problem
C.
The vessel needs escort due to propeller problem
D.
The vessel needs escort due to rudder problem
【单选题】有些人能够把识记的事物长时间的保留在头脑里,甚至终身不忘,而也有些人记住事物没多久就忘记了,反映了()的差异
A.
记忆敏捷性
B.
记忆精确性
C.
记忆持久性
D.
记忆准备性
【简答题】escort
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