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【单选题】
根据气化剂的不同,煤气可分为空气煤气、水煤气和半水煤气。空气煤气以空气为气化剂,水煤气以()为气化剂,半水煤气以()为气化剂。A.
水蒸气和氧气，水蒸气和空气
B.
水蒸气，半水蒸气
C.
氧气，空气
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举一反三
【单选题】We shall ask for samples ______ and then we can make our decision.
A.
to be sent
B.
being sent
C.
to sent
D.
to have been sent
【单选题】某电信企业年平均职工人数为150人，当地政府规定人均月计税工资标准为900元，该企业当年实发工资总额为186万元，计算企业应纳税所得额时，准予扣除的职工工会经费、职工福利费、职工教育费是（ ）万元。
A.
28.35
B.
29.97
C.
32.55
D.
30.45
【简答题】We can ask whether rules are helpful without undermining the need for rules.
【多选题】Which questions can we ask according to CANI?
A.
Why are we doing this?
B.
How can we do this better?
C.
How can we serve our customers better?
D.
How can we do better than our competitors?
【简答题】Jane：OK. And we can ask them to prepare some drinks. Michael： ？
【单选题】We can ask friends or family members to listen to our rehearsal, because_______.
A.
they can give constructive feedback
B.
they are willing to listen to our speech
C.
they can provide no suggestions
D.
none of the above
【多选题】Which questions can we ask according to CANI?
A.
Why are we doing this?
B.
How can we do this better?
C.
How can we serve our customers better?
D.
How can we do better than our competition?
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