【题目】 —Does the tiger come from Europe?

—__________.

A. Yes, they do B. Yes, it is

C. No, it isn’t D. No, it doesn’t

【题目】配制溶液时，下列溶剂中最常用的是( )

A.酒精 B.水 C.汽油 D.植物油

【题目】下列有关洗涤的说法中错误的是（ ）

A．用汽油溶解衣物上的油渍

B．用洗洁精乳化餐具上的油污

C．用食醋洗去热水瓶中的水垢

D．用热的纯碱溶液洗去菜刀上的铁锈

【题目】You can buy socks __________ girls __________ only five dollars each.

A. to; to B. for; to C. for; for D. to; for

【题目】下列对实验现象或结论的描述中错误的是（ ）

A．碘易溶于水

B．高锰酸钾几乎不溶于汽油

C．水和植物油混合后用力振荡可形成乳浊液

D．乙醇能与水互溶

【题目】—What are these in English?

—__________.

A. It’s an orange B. They are apples

C. They are here D. Those are maps

【题目】This is __________ room. My hat is on the chair.

A. I B. your C. he D. my

【题目】— __________ did you spend on this new computer, Dave?

—About 5,000 yuan.

A. How much B. How many C. How often D. How long

【题目】Let’s __________ Chinese together.

A. study B. studying C. studies D. studys

【题目】餐具上的油垢可以用加入洗涤剂的水洗掉，其原因是洗涤剂具有（ ）

A、氧化作用 B、乳化功能

C、催化作用 D、溶解油垢的功能