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【单选题】
使用二氧化碳灭火器时,要注意窒息性气体的浓度,空气中二氧化碳含量达到( )会使人呼吸困难。.............................................................................................( )A.
5%
B.
8.5%
C.
10%
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反馈参考答案：
举一反三
【单选题】The writer argues that in the foreseeable future the insurer of last resort for airline's terrorist risk will be
A.
insurance companies.
B.
governments' guarantees.
C.
airlines themselves.
D.
mutual fund schemes.
【单选题】The author argues that a teacher's chief concern should be the development of the students' ______.
A.
academic ability
B.
total personality
C.
learning ability and communicative skills
D.
intellectual ability
【单选题】The author argues that privatization of the publicly-run water services will solve the current water supply problem.
A.
Y
B.
N
C.
NG
【多选题】贴现贷款是指借款人在急需资金时,以未到期的票据向银行申请贴现而融通资金的贷款方式,贴现贷款的特点有( )。
A.
流动性高
B.
信用关系复杂
C.
自偿性弱
D.
安全性大
【单选题】The author argues that a teacher's chief concern should be the development of the student's ______.
A.
personal qualities and social skills
B.
total personality
C.
learning ability and communication skills
D.
intellectual ability
【简答题】软盘驱动器是由以下那些部分组成的( )
【单选题】The author argues that a teacher's chief concern should be the development of the student's ______ .
A.
personal qualities and social skills
B.
total personality
C.
learning ability and communicative skills
D.
intellectual ability
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