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问题 选择题
已知△ABC中，a=2，sinA：sinB=
3
：3，则边b=（　　）
A．
3
B．2
3
C．3
3
D．3
答案

已知△ABC中，a=2，sinA：sinB=

3
：3，则a：b=
3
3
，∴b=2
3
，

故选B．

改错题

第二节: 短文改错（共10小题，每小题1分，满分10分）

下面短文中共有10处错误，错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在此符号下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改均仅限一词；

2．只允许修改10处，多者（从第11处起）不计分

One day, Henry Adams, the American businessman , was lost in London. He didn’t know what to do when two old and wealthy brother met him. They found that Henry arrived London by accident and he had no money. They gave him a letter and told him to open it until two o’clock. Before long, Henry , who was in rags,  went into a restaurant .He ate as a wolf. In two o’clock, when he opened the letter, he was surprising but the waiter and the owner was shocked.  A million pound bank note was in Henry hands. What interesting it was!
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单项选择题

阴离子型表面活性剂：

A．十二烷基硫酸钠
B．司盘80
C．HLB值在8～16范围内
D．新洁尔灭
E．卵磷脂

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