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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

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 knew Mr Turner ________.

A. lived in the country

B. was a good fisherman

C. was interested in fishing

D. disliked the noise of the city

下列急性化脓性腹膜炎的常见病因，错误的是（）

A.溃疡病急性穿孔

B.急性阑尾炎穿孔

C.肠管损伤破裂

D.直肠下段损伤

E.腹内脏器炎症的扩散

下列化合物中，硫元素的化合价为+4价的是（　　）

A．CaSO₄

B．H₂S

C．Na₂SO₃

D．SO₃

压缩机油温的正常状态一般为40～60℃，不得超过（）℃。

A、65

B、70

C、75

D、80

贵州抗日救国军的司令是谁？