体温恒定维持在39~40℃或以上，达数天或数周，24小时内体温波动范围不超过1℃的是

阅读理解.

     Hundreds of years ago there lived a king in a small country. He liked swimming. When summer came,

he always went to another palace by a forest with his guards and returned to the capital in autumn.

     One afternoon the king went swimming in a river in the forest but he didn't tell others about it. He was

very happy when he swam in the water. After that he heard a great noise and saw a big bear coming at

him. He tried his best to run away. He ran and ran and at last he lost his way. He was hungry and tired

when he found an old house. There was an old farmer in it. "It's your king," he said to the old man. "I'm

hungry now. Bring me something to eat quickly!"

     The old man had nothing dear. He only had four eggs. The king ate them and felt better. "How much

must I pay you for that?"

     "Eighteen pounds."        

     "How dear they are! Are eggs rare(稀有的)here?"

     "No," answered the old farmer. "We have only one king in our country!"

1. _____, he was happy.

    A. The river was beautiful

    B. He was swimming in the water

    C. The water was warm

    D. The king could swim for a long time

2. When the king saw the bear, he _____.

    A. asked the old farmer to help him

    B. cried for help

    C. ran away quickly

    D. ran outside the forest

3. At last the king found _____.

    A. an old house

    B. his guards

    C. his capital

    D. the bear

4. The king felt better because _____.

    A. he could sleep in the farmer's house

    B. the bear couldn't find him

    C. he ate four eggs

    D. the farmer knew he was a king

5. Which is the best title of the story?

    A. The King and the Old Farmer

    B. The King in the Forest

    C. The King and the Bear

    D. The Kind hearted King

下列实验能成功的是（  ）

A．用1体积的乙醇与3体积的浓H₂SO₄混合加热到140℃制乙烯

B．加入适量浓溴水除去苯中混有的少量苯酚

C．用乙醇和乙酸溶液混合加热制乙酸乙酯

D．以盐酸、石灰石、苯酚钠溶液为试剂，验证酸性强弱关系：盐酸>碳酸>石炭酸

因氮气不溶于铜，故可用氮气作为焊接铜和铜合金时的保护气体。（）

钢筋混凝土条形基础，底宽800 mm，混凝土垫层宽1000 mm，厚200 mm，施工时不需支设模板，土壤为Ⅱ类土，自然地坪标高为+0.30 m，基础底面标高为-0.70 m，基础总长为 200 m，按工程量清单计价规范规定的计量规则计算，该基础人工挖土工程量为( )。

A．160 m³

B．192 m³

C．200 m³

D．240 m³

螺纹隔爆结构中，螺纹最少啮合的扣数是（）扣。

A.4

B.6

C.8

D.10