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【多选题】
下列选项中,可能对酶的活性产生抑制作用的有:
A.
可逆竞争性抑制剂
B.
共价抑制剂
C.
高浓度底物
D.
高浓度产物
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举一反三
【单选题】Henry___________ be at home because he phoned me from the farm just now. [     ]
A.
mustn't
B.
isn't able to
C.
may not
D.
can't
【单选题】完全以事实为武器进行攻击,容易导致的结果是()。
A.
内容丰富,结论清晰
B.
内容空洞,结论清晰
C.
内容丰富,结论混乱
D.
内容空洞,结论混乱
【单选题】()年手握型高脚的竞速和对抗竞赛成为正式比赛项目,首次登上了政府举办的体育赛场,初步实现了由民族民间娱乐项目向体育竞赛项目的转化。
A.
1986
B.
1999
C.
1987
D.
1989
【判断题】期末,企业应将“本年利润”科目余额结转记入“利润分配”科目的贷方。
A.
正确
B.
错误
【简答题】根据句意及首字母提示完成单词。 1. Here is a p ______ of my family. 2. Jim is my c______  he isn't my brother. 3. My father and mother are my p ______ . 4. T______  for your pen.
【单选题】Joe isn't short. ______ , he is quite tall.
A.
On the contrary
B.
In any way
C.
In balance
D.
On the whole
【单选题】完全以事实为武器进行攻击,容易导致的结果是()。
A.
内容丰富,结论清晰
B.
内容空洞,结论清晰
C.
内容丰富,结论混乱
D.
内容丰富,结论清晰
【判断题】期末,企业应将“本年利润”科目余额结转记入“利润分配”科目的贷方。
A.
正确
B.
错误
【单选题】听力原文:M: I'm sorry I'm late, Cindy. W: That's all tight, Joe. My house isn't that easy to find. But you know, you wouldn't have gotten lost if you had a 'smart' car. M: A smart car? What's that? W: I j...
A.
From a newspaper advertisement.
B.
From a magazine article.
C.
From a television program.
D.
From an automobile dealer.
【单选题】He said he would pick me up at the school gate. However, he ______ yet. [     ]
A.
 didn't arrive
B.
doesn't arrive
C.
 isn' t arriving
D.
hasn't arrived
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