在等边△ABC所在平面内找出一个点，使它与三角形中的任意两个顶点所组成的三角形都

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       It's very cold outside in winter. The houses are white and the trees are white, too. Mike and Kate

are going to play in the snow. They want to make a big snowman.

      How are we going to dress up the snowman?" Kate asks. Mike runs to their house and takes their

dad's old coat, old hat and old scarf(围巾)to Kate.

      "Dad's going to get a surprise(惊喜)when  he gets home."says Mike.

      "Yes,he is going to think he becomes(变成)a snowman!"says Kate.

      They make a big snowman and they dress it up in their dad's old coat,old hat and old scarf. Then

they wait behind the door for their dad. Suddenly their snowman opens the door and shouts(大声说),

"Boo!"

      Oh,it's their dad!He's wearing the snowman's old coat, old hat and old scarf !

1. What's the weather like?

A. It's cold.

B. It's warm.

C. It's cool.

2. what are Mike and Kate going to do?

A. Visit their friends.

B. Play in the snow.

C. Stay at home and watch TV

3. What does the word"snowman" mean in Chinese?

A. 雪花  

B. 雪人  

C. 冰雕

4. Where do Kate and Mike wait for their dad?

A. Under the bed.

B. Behind the snowman.

C. Behind the door.

5. Which of the following is TURE?

A. Kate takes her dad's old clothes to Mike.

B. This story happens in autumn.

C. Mike and Kate want to give a surprise to their dad.

男，26岁，发热4天伴纳差2天急诊。检查：BP114/70mmHg，左脚趾甲沟部红肿破溃。血白细胞计数为20×10⁹/L，中性粒细胞为89%。

经血培养证实金黄色葡萄球菌阳性。根据经验首选抗生素是（）

A.丁胺卡那霉素

B.环丙沙星

C.红霉素

D.万古霉素

E.甲硝唑

播种机的工作部件一般由：（）、输种管、覆土器、压轮组成。

A.排种器、排肥器

B.刮种器、开沟器

C.排种器、开沟器

D.排种器、刮种器

原料成本控制就是在原料的加工生产过程中，采取一定的管理措施，防止和克服原料的损失与浪费。

税收法律责任中的经济责任主要有（）。

A、补缴税款

B、加收滞纳金

C、吊销税务登记证

D、罚款