变压器容量在（）kVA及以上的大工业用户实行两部制电价。A、50 B、100 C、3

阅读理解。

     Mr.Turner liked fishing.It was his favorite sport.He often fished for hours without catching anything.But this did not worry him.Some fishermen couldn't catch fish.Sometimes they caught old boots or rubbish.

Mr.Turner was even worse than the fishermen.He never caught anything —not even old boots.After he

spent whole morning on the river,he always went home with an empty bag.

     "You must give up fishing!" his friends said ."It's a waste of time."

     "But they don't realize one important thing.I'm not really interested in fishing.I am only interested in

sitting in a boat and doing nothing at all.It can make me forget the noise of the city and live quietly for some time," he always said to himself.

1. Mr.Turner always went fishing because ________.

A. he could sell the fish and get some money

B. he thought it was a good sport

C. he could cook the fish for supper

D. he could sit in a boat and forget the noise of the city

2. Mr.Turner liked to fish________.

A. by the river

B. in a boat on the river

C. in the river

D. with the fishermen

3. He always went home with an empty bag because ________.

A. he couldn't fish at all

B. there weren't any fish in the river

C. he gave the fish to the fishermen

D. he didn't pay attention to fishing at all

4. His friends told him ________ when they knew he couldn't catch anything.

A. to learn how to fish

B. to change the way of fishing

C. not to fish any more

D. to buy fish to eat

5. From the story we know Mr.Turner ________.

A. lived in the country

B. was a good fisherman

C. was interested in fishing

D. disliked the noise of the city

在疟疾流行地区，假设被蚊虫叮咬后，您会倾向于哪个看法（）

A、我很少被蚊子咬，其他人经常被蚊子咬，所以我比较不容易得疟疾

B、我身体健康，抵抗力比别人强，即使被蚊子叮咬后不容易得疟疾

C、如果叮咬我的蚊子含有疟原虫，就有可能会患疟疾

D、我已在疟疾流行地区工作一年以上，对疟疾有免疫力，不在乎蚊子的叮咬

阅读下面的一首宋词，然后回答问题。（6分）

鹊桥仙

陆游

一竿风月，一蓑烟雨，家在钓台西住。卖鱼生怕近城门，况肯到红尘深处？

潮生理棹，潮平系缆，潮落浩歌归去。时人错把比严光，我处是无名渔父。

【注】严光：即严子陵，东汉名士，光武帝多次征召，皆不就，独自披羊裘钓于浙江的富春江上，以清高闻名于世，现富春江畔有严子陵钓台一处名胜。

（1）“一竿风月，一蓑烟雨”这两句词写出了什么内容？（2分）

答：                                                                          

（2）请结合全诗回答“时人错把比严光，我自是无名渔父”两句词运用了哪些艺术手法，有何作用。（4分）

答：                                                                   

柴油机是工农业生产中常用的热机．已知某型号柴油机的效率为η，柴油的热值为q．将质量为m的柴油完全燃烧，能放出的热量Q=______，这些热量通过该柴油机的转化对外所做的有用功W=______．

以下哪个添加剂属于饲料抗氧化剂（）。

A.乙氧基喹啉

B.露保细盐

C.喹乙醇

D.速大肥