【题目】The price of the trousers ______29 dollars.

A. are B. is C. be

【题目】现有一瓶接近饱和的硝酸钾溶液，下列做法中不能使其变为饱和溶液的是（ ）

A.加入硝酸钾晶体 B.蒸发溶剂 C.升高温度 D.降低温度

【题目】将0.5g某物质在20℃时溶于10g水中即达饱和，则一般把这种物质的溶解性划分为（ ）

A.易溶物质 B.可溶物质 C.微溶物质 D.难溶物质

【题目】I have _________ uncle. He likes _________very much. He ______ soccer, baseball，volleyball, basketball, and so on. He plays baseball and basketball very_____. He likes to ____ the sports games ______TV. He plays sports_____.He often says, “Let’s_____…”He_____two clubs: a basketball club and a baseball club. He __ a sports collection. He has 12 tennis rackets, 10 baseballs, 3 volleyballs, 2 basketballs and one soccer ball.

【1】A. a B. an C. the D. is

【2】A. vegetables B. books C. music D. sports

【3】A. loves B. have C. joins D. play

【4】A. much B. more C. well D. good

【5】A. play B. plays C. watch D. watches

【6】A. in B. on C. to D. of

【7】A. everyday B. some day C. every day D. someday

【8】A. plays B. play C. playing D. to play

【9】A. joins B. plays C. asks D. takes

【10】A. have B. has C. doesn't have D. don’t have

【题目】补全对话，每空一词

A: Let's play computer games!

B: That sounds interesting,【1】I don't have 【2】 computer.

A: Well,【3】you have a volleyball?

B：【4】．

A: Then let's play volleyball.

B: Oh, volleyball is【5】difficult...

A: OK. Let's watch TV.

B: That sounds boring. Let's play soccer! Do you have a soccer【6】?

A: No, I【7】

B：Oh, well, do you have a【8】？

A: Yes,I do,【9】play basketball!

B：That【10】 fun!

【题目】they, help, bed, bat, of, volleyball, room, play, for, have, think, ball

Grace is my friend. This is her【1】. In it, you can see her 【2】 everywhere. She 【3】a soccer ball under her chair, two 【4】under her desk and three basketballs under her 【5】. She also has some ping-pong balls and ping-pong 【6】 in her bag. Grace loves sports. She【7】they’re interesting. But she does not 【8】 them. Playing sports is difficult 【9】her. She only watches 【10】on TV.

【题目】t℃时某物质的溶解度100g，该温度下，此物质的饱和溶液中下列质量关系正确的是（ ）

A、溶质：溶液=1：1 B、溶质：溶剂=1：1

C、溶剂：溶液=1：1 D、饱和溶液的质量一定为200g

【题目】下列有关溶液的说法，不正确的是（ ）

A．蔗糖溶液是均一的、稳定的混合物

B．硝酸钾在20℃时溶解度是31.6g，则100g硝酸钾溶液中含有硝酸钾31.6g

C．在鱼池中设立水泵，把水喷向空中可以增加水中氧气的溶解量

D．冷却或蒸发溶剂都能使接近饱和的氯化钠溶液达到饱和

【题目】(2013浙江温州)It’s ________ to listen to light music when you feel tired(疲劳的)．

A．dangerous

B．scary

C．relaxing

D．difficult

【题目】—Let’s play___________ soccer.

—I don’t have_________ soccer ball.

A. /; a B. the; a

C. a; the D. /; /