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【单选题】
下列关于酶的叙述 , 正确的是 ( )
A.
酶只有在生物体内起催化作用 , 起催化作用的本质是提高反应的活化能
B.
所有酶都含有 C 、 H 、 O 、 N 四种化学元素
C.
人体内的酶进行催化过程中 , 酶本身不变 , 所以酶不会发生自我更新
D.
酶都在核糖体上合成
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参考答案：
举一反三
【单选题】Ford proposed a system______each worker would have a special job to do.
A.
that
B.
which
C.
in which
D.
at which
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【简答题】Passage Four: Beijing Opera is the most representative of all Chinese traditional dramatic art forms and the largest Chinese opera form. Having a history of about 200 years, it is developed from absor...
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【单选题】She has a special _________ in the job.
A.
refund
B.
free shipping
C.
receive
D.
online
E.
advantage
F.
mouse
G.
cart
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【简答题】Laura Fagan is a British girl. She is 29 years old now. She has a special job. Her job is an offical cake-taster. She began to work two years ago. She loves her job very much. She needs to try as many...
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【简答题】Please read the following paragraph aloud. Ivy League schools are regarded to be the most renowned of all colleges in the United States. These schools are mostly located in the Northeastern part of th...
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【简答题】完形填空。 Antarctica is the continent which is the most 1 area of land on the Earth and is mostly covered 2 ice. This is 3 of the driest and 4 in the world. But people from all over the world come to 5 th...
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【单选题】Why was the year 1886 so special to Pemberton?
A.
He took to doing a job like Sherlock Holmes's.
B.
He brought a quite profitable product into being.
C.
He observed the founding ceremony of Statue of Liberty.
D.
He was awarded by Coca-Cola for his contribution.
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【简答题】常用的基体材料有( )、( )、( )
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【单选题】砌筑砖柱时下列哪组尺寸较合适()。 I.200mm×300mm;II.240mm×370mm;III.370mm×370mm; IV.370mm×200mm V.560mm×200mm; VI. 490mm×490mm
A.
Ⅰ、Ⅱ、Ⅲ
B.
Ⅳ、Ⅴ、Ⅵ
C.
Ⅰ、Ⅲ、Ⅴ
D.
Ⅱ、Ⅲ、Ⅵ
查看完整题目与答案
【简答题】The majority of people in this country eat too much fat and not enough fibre(纤维) and for most people a having a healthy diet is and easy to do. The move towards a healthy diet may just mean eat...
查看完整题目与答案
相关题目：
【单选题】Ford proposed a system______each worker would have a special job to do.
A.
that
B.
which
C.
in which
D.
at which
查看完整题目与答案
【简答题】Passage Four: Beijing Opera is the most representative of all Chinese traditional dramatic art forms and the largest Chinese opera form. Having a history of about 200 years, it is developed from absor...
查看完整题目与答案
【单选题】She has a special _________ in the job.
A.
refund
B.
free shipping
C.
receive
D.
online
E.
advantage
F.
mouse
G.
cart
查看完整题目与答案
【简答题】Laura Fagan is a British girl. She is 29 years old now. She has a special job. Her job is an offical cake-taster. She began to work two years ago. She loves her job very much. She needs to try as many...
查看完整题目与答案
【简答题】Please read the following paragraph aloud. Ivy League schools are regarded to be the most renowned of all colleges in the United States. These schools are mostly located in the Northeastern part of th...
查看完整题目与答案
【简答题】完形填空。 Antarctica is the continent which is the most 1 area of land on the Earth and is mostly covered 2 ice. This is 3 of the driest and 4 in the world. But people from all over the world come to 5 th...
查看完整题目与答案
【单选题】Why was the year 1886 so special to Pemberton?
A.
He took to doing a job like Sherlock Holmes's.
B.
He brought a quite profitable product into being.
C.
He observed the founding ceremony of Statue of Liberty.
D.
He was awarded by Coca-Cola for his contribution.
查看完整题目与答案
【简答题】常用的基体材料有( )、( )、( )
查看完整题目与答案
【单选题】砌筑砖柱时下列哪组尺寸较合适()。 I.200mm×300mm;II.240mm×370mm;III.370mm×370mm; IV.370mm×200mm V.560mm×200mm; VI. 490mm×490mm
A.
Ⅰ、Ⅱ、Ⅲ
B.
Ⅳ、Ⅴ、Ⅵ
C.
Ⅰ、Ⅲ、Ⅴ
D.
Ⅱ、Ⅲ、Ⅵ
查看完整题目与答案
【简答题】The majority of people in this country eat too much fat and not enough fibre(纤维) and for most people a having a healthy diet is and easy to do. The move towards a healthy diet may just mean eat...
查看完整题目与答案
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