阅读理解。

Dear Anna,

     How are you? Are you coming to my birthday party in August? My family, friends and classmates are all

coming. The party is on Sunday, August the seventh at about 6: 00. It's at Aunt Lucy's restaurant (餐馆).

First, we can eat and talk (聊天) from 6: 00 to 7: 00. After that we can go to a concert (音乐会). I hope (希

望) you can come. You can meet my other friends and my sisters, too.

     Write soon!

                                                                                                                                      Yours,

                                                                                                                                       Linda

1. The letter is from __________ to her friend.

A. Anna

B. Linda

C. Lucy

D. Aunt

2. They are having the party on __________.

A. August 2

B. Saturday

C. August 7

D. Sunday afternoon

3. The party begins (开始) at __________.

A. 6: 00

B. 7: 00

C. 7: 30

D. 8: 00

4. Where is the party?

A. At Anna's home

B. At Linda's home

C. At Aunt Lucy's restaurant

D. In a hotel

5. What can they do from 6: 00 to 7: 00?

A. Go to a concert

B. Eat and talk

C. Go to see a movie

D. play basketball

甲醇产品氧化试验不合格的原因是（）。

A、产品水含量高

B、产品乙醇含量高

C、产品醛类物质含量高

D、产品酮类物质含量高