题目内容

I find Peter always______ his classmates in a debate, even though the argument is not sufficient.

A. backs up
B. backs down
C. backs out
D. backs off

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造成烧伤的因素是( )。

A. 热力
B. 电能
C. 放射线
D. 化学物质
E. 以上均可以造成烧伤

The deal that London Stock Exchange will be bought by foreign moneymen is important because______.

A. consolidation is what the moneymen do these days in financial market
B. it helps to shape the rules for Europe's integrating financial markets
C. the LSE tends to follow New York Stock Exchange's example to do so
D. it helps to shape the rules and it's what the NYSE is doing

It can be inferred that the situation of Asian motor companies is______.

A. difficult
B. astonishing
C. cheerful
D. embarrassing

Mary is an active______ in social work. She spends much time staying with orphan children every summer.

A. patriot
B. pilgrim
C. participant
D. parasite

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