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【单选题】
冲击试验时，单缺口试样可以（ ）。A.
侧向冲击
B.
贯层冲击
C.
两种冲击都可以
D.
没有要求
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皮皮学刷刷变学霸
举一反三
【单选题】With a lot of work _______, I can’t watch TV tonight.
A.
doing
B.
to do
C.
done
D.
to be done
【单选题】下面哪些类用于实现TCP/IP客户和服务器?( )
A.
ServerSocket,DatagramSocket
B.
Server,Socket
C.
Socket,ServerSocket
D.
DatagramPacket,DatagramSocket
【单选题】With a lot of work __________, our manager couldn’t spare time for a holiday.
A.
remained to be done
B.
remaining to be done
C.
remained being done
D.
remaining to do
【单选题】With a lot of work _______, I can’t go to the cinema with you after school
A.
done
B.
doing
C.
having done
D.
to do
【简答题】奥苏贝尔提出有意义学习过程的实质就是符号所代表的新知识与学习者认知结构中已有的适当观念建立 _____和_____ 的联系。
【单选题】With a lot of work ______, she weren't allowed to leave her office.
A.
do
B.
done .
C.
to be done
D.
to do
【单选题】With a lot of work _______, I can’t help you tonight.
A.
do
B.
doing
C.
done
D.
to do
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