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【判断题】
化学教科书是指根据化学课程标准编写的系统反映学科内容的教学用书,是化学课程的具体化。()
A.
正确
B.
错误
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【单选题】If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?
A.
Pump only if the discharge is led to a shore tank or barge
B.
Pump only during the hours of darkness
C.
Pump only on the outgoing tide
D.
Pump only as much as is necessary
【多选题】以下属于客户与企业沟通的途径的是( )
A.
免费投诉电话
B.
24小时服务热线
C.
意见箱
D.
投诉制度与建议制度
【简答题】客户与企业沟通的途径
【简答题】Express these system specifications using the propositions p “The message is scanned for viruses” and q “The message was sent from an unknown system” together with logical connectives (including negat...
【单选题】处在同一发展阶段的不同地区,甚至同一地区的不同城市,城市的分布和发展的状况也有差异,()在这种差异的塑造中起了很大的作用。
A.
经济条件
B.
地理条件
C.
生态条件
D.
政治条件
【单选题】Which of the following statements about research and development expenditure are correct? 1 Research expenditure, other than capital expenditure on research facilities, should be recognised as an expe...
A.
1, 2 and 3
B.
1 and 2 only
C.
1 and 3 only
D.
2 and 3 only
【单选题】P78 用must 或 have to来替代划线的部分。 4. It is necessary for me to have some help.
A.
I must have some help.
B.
I have to have some help.
C.
A,B都对
【单选题】Whose voice does Crusoe hears calling his name when he returns to shore in his second canoe?
A.
A Spaniard
B.
His parrot
C.
Voice in his head
D.
A native
【单选题】—They are discussing what to do for the disabled. — _______ is necessary to provide them with more positions. [     ]
A.
That
B.
This
C.
It
D.
There
【单选题】It is necessary for us to________these interesting old customs. [     ]
A.
prevent
B.
present
C.
prepare
D.
preserve
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