题目内容

酶高度的催化效率是因为它能

A. 改变化学反应的平衡点
B. 增加反应的活化能
C. 降低反应的活化能
D. 升高反应温度
E. 催化热力学上允许催化的反应

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Which of the following is NOT true about Britain?

A. It used to be a powerful imperial country in the world.
B. It is a relatively wealthy and developed country
C. It plays an active role as a member of European countries.
D. It has very short history.

In British parliament, there are ____ members of parliament.

A. 650
B. 300
C. 325
D. 100

Where are international tennis championships held in Britain?

A. Wembley
B. Wimbledon
C. London
D. Edinburgh

In Britain,the Prime Minister is appointed by

A. People
B. Monarch
Cabinet
D. House of Commons

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