以下关于戊戌变法的说法正确的是 A．主张“中体西用” B．主张改革君主专政制度 C．

有关经纬线长度的说法，正确的是（　　）

A．所有纬线等长

B．纬线的长度与经线等长

C．所有经线等长

D．经线的长度比赤道稍长

根据句意及首字母或汉语提示,写出各句中所缺单词的正确形式。

1. There is no          (令人信服的) evidence that smoking causes lung cancer.

2. I hope you will always be            (充满精力的)when having classes.

3. She is an o       scientist , for she has made great contributions to her country.

4. Her mother never shouts at her in          (怒气)

5. He a         to the teacher for being later for class.

6. Every year a large number of            (商人) go to and from Yiwu.

7. Without the teacher's p         , you can't play with the computer in our classroom.

8. The company in NanJing e         about 20000 boxes of wine to the UK last year.

 9. She is s         to support a family on a very low income.

10. He was ill and          (因此)could not come.

在竖井倾角>30°的斜井和天井工作面的爆破时，禁止采用（）起爆。

A.导火索

B.电雷管

C.导爆管

双动道岔的两个道岔动作顺序总是从左到右顺序动作的。

简答每局胜负的评定？