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【多选题】
酶受非竞争性抑制时,下列动力学参数不对的为( )
A.
Km↑,Vmax不变
B.
Km↓,Vmax↓
C.
Km不变,Vmax↓
D.
Km↓,Vmax不变
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参考答案:
举一反三
【单选题】生物脱氮的反硝化过程需要在()环境中进行。
A.
好氧
B.
厌氧
C.
缺氧
D.
以上都不是
【单选题】People pass their knowledge _____ from one generation ______ another. [    ]
A.
down;to
B.
on;to
C.
down;in
D.
on;in
【多选题】In some situations, you need to introduce yourself formally. Can you think of any formal situations?
A.
job interview
B.
meeting new work colleagues
C.
making a presents
D.
meeting a friend for the first time
【单选题】People can pass superstitions down from generation to generation because of ______.
A.
the power of luck
B.
the power of God
C.
the power of belief
D.
the power of intelligence
【单选题】对下列各句加点字用法归类正确的一项是( ) (1)天下 云 集 响 应 ( 2)外连衡而 斗 诸侯 ( 3 ) 却 匈奴七百余里 ( 4) 履 至尊而制六合 ( 5) 且夫天下非 小弱 也 ( 6) 序 八州而朝同列 ( 7 ) 囊 括四海之意 ( 8) 然陈涉 瓮 牖 绳 枢之子
A.
( 1)(2)(3)/(4)(8)/(5)(6)(7)
B.
( 1)(7)/(2)(6)(8)/(3)(4)/(5)
C.
( 1)(7)/(2)(3)(4)(5)/(6)(8)
D.
( 1)(7)/(2)(3)(6)/(4)(8)/(5)
【单选题】下列语句的结果是( ). void main() { int j;j=3; printf("%d,",++j); printf("%d",j++);}
A.
3,3
B.
3,4
C.
4,3
D.
4,4
【简答题】下列语句的结果是( )。 #include main() { int j; j=3; printf("%d,",++j); printf("%d",j++); }
【简答题】A.give up B.take over . C.bring back D.pass down
【简答题】遣词造句。 1 . visit,tomorrow                   2.  run, every day                     3. ask, turn down,music 4.  have fun,dance,yesterday             5.  learn, together,now 1.  _________________________...
【简答题】Can you think of any other problems threaterning tourist cities around the world?
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