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【判断题】
之所以叫半导体，是因为这种材料的导电性不如导体，但比绝缘体好，介于两者中间。A.
正确
B.
错误
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【单选题】All cargo booms are ready to ________.
A.
discharging cargo
B.
be discharging
C.
discharge cargo
D.
be discharged cargo
【单选题】He could repair the car himself but he would rather his son ______ it.
A.
do
B.
to do
C.
did
D.
had done
【简答题】Selection tests which focus on aptitude, intelce and personality factors are called ........................................ tests. Which word correctly completes this sentence?A. Proficiency B. ...
【判断题】IPSec VPN为保证通过公用网络平台传输数据的专用性和安全性主要VPN主要采用4项技术来保证安全,这4种技术分别是隧道技术、加解密技术、密钥管理技术和入侵检测技术。
A.
正确
B.
错误
【单选题】He could repair the car himself but he would rather his son ______ it.
A.
do
B.
to do
C.
did
D.
has done
【单选题】The selection process is based on _________ tests of competence and experience.
A.
rigorous
B.
rival
C.
vigorous
D.
deceptive
【单选题】He could repair the car himself but he would rather his son ______ it.
A.
do
B.
to do
C.
did
D.
had done
【简答题】砌体结构的应用范围有哪些?
【单选题】The selection process is based on ________ tests of competence and experience.
A.
brutal
B.
stubborn
C.
rough
D.
rigorous
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