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【单选题】
下列关于酶活性中心的描述，错误的是
A.
活性中心是酶分子中直接与底物结合并发挥催化功能的部位
B.
活性中心的基团按功能可分为结合基团和催化基团
C.
酶活性中心的基团可以是同一条肽链但在一级结构上相距很远的基团
D.
不同肽链上的有关基团不能构成该酶的活性中心
E.
酶原激活实质是酶活性中心形成或暴露的过程
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参考答案：
举一反三
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
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【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、整平
B.
铲土、运土、卸土
C.
铲土、整平、填筑
D.
铲土、运土、填筑
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【简答题】试述房水的产生部位及其循环途径。
查看完整题目与答案
【单选题】用具有一定内阻的电压表测出实际电源的端电压为6V,则该电源的开路电压Uoc应为:
A.
Uoc>6V
B.
Uoc<6V
C.
Uoc=6V
D.
不能确定
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、填筑
B.
铲土、整平、填筑
C.
铲土、运土、卸土
D.
铲土、运土、整平
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】顾客在看商品对于营业员的提问不做任何回答,正确的做法是( )
A.
让顾客继续自己挑选,不加以打扰
B.
设法调节气氛,改变谈话内容
C.
照顾其他顾客
D.
不断观察该顾客的神情
E.
转身走开
查看完整题目与答案
【判断题】当表现英雄人物首次登场，你需要表现出人物自身所具备的德行，这时你可以采用人物登场之焦点转换情景，摄像机的高度应该与主角高，稍向下倾斜，俯拍人群。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why did the little girl die?
A.
Because she drank the water.
B.
Because she was sick.
C.
Because she took some of the chemicals.
查看完整题目与答案
相关题目：
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、整平
B.
铲土、运土、卸土
C.
铲土、整平、填筑
D.
铲土、运土、填筑
查看完整题目与答案
【简答题】试述房水的产生部位及其循环途径。
查看完整题目与答案
【单选题】用具有一定内阻的电压表测出实际电源的端电压为6V,则该电源的开路电压Uoc应为:
A.
Uoc>6V
B.
Uoc<6V
C.
Uoc=6V
D.
不能确定
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、填筑
B.
铲土、整平、填筑
C.
铲土、运土、卸土
D.
铲土、运土、整平
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】顾客在看商品对于营业员的提问不做任何回答,正确的做法是( )
A.
让顾客继续自己挑选,不加以打扰
B.
设法调节气氛,改变谈话内容
C.
照顾其他顾客
D.
不断观察该顾客的神情
E.
转身走开
查看完整题目与答案
【判断题】当表现英雄人物首次登场，你需要表现出人物自身所具备的德行，这时你可以采用人物登场之焦点转换情景，摄像机的高度应该与主角高，稍向下倾斜，俯拍人群。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why did the little girl die?
A.
Because she drank the water.
B.
Because she was sick.
C.
Because she took some of the chemicals.
查看完整题目与答案
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