已知直角三角形的斜边长为10，两直角边的比为3：4，则较短直角边的长为（ ） A

单词拼写: 根据首字母或汉语提示写出下列单词(每空0.5分，共计8分)

1. After e__________ was cut off, the lights went out.

2. A man should be ________ （判断）by his deeds, not by his words.

3. I felt highly __________（荣幸）by your trust..

4. Dead and ______ （受伤的）people lay everywhere after the terrible accident.

5. The old left an estate（保险）of two ______（百万）dollars when he died.

6. It is natural for children to have different v_____ from their parents.

7. According to the weather f_______, it’s going to stay cold for the rest of the week.

8.The plane is flying at an _______（海拔）of 25,000 feet.

9. Wish you a pleasant j___________!

10. That old bike is his only means of _________. （交通工具）.

11. How many people were p_______ at the meeting?

12．The _______（东部的）coastline of China is very long

13. His interest in maths _________（逐渐地）increases.

14. He said it would rain, but I __________ （不同意）with him.

15. Let me give you some a______ on how to learn English.

16. Don’t stay o________ since the weather is so cold.

抗战初期，蒋介石致电某部：“25日一战，歼寇如麻，足证官兵用命，深堪嘉慰。尚希益励所部，继续努力。”一位民主人士赞扬说：“此次大捷，其估量不仅在于双方死亡的惨重，而在于打破了‘皇军’不可战胜的神话。使日军锐气挫折”。两则材料称赞的是(　　)

A．淞沪会战

B．平型关战役

C．百团大战

D．台儿庄战役

视网膜动脉对高血压的反应不正确的为

A．血管痉挛

B．动脉壁纤维化

C．动脉反光增强

D．小动脉口径增大

E．视网膜棉绒斑

患者，男，58岁，一年来尿频、尿急、尿痛，有时尿浑浊，伴终末血尿，一般抗生素无效。尿检：白细胞40～50个/HP，红细胞20～30个/HP，最适宜的检查方法为

A．同位素肾图
B．IVP及尿结核菌检查
C．膀胱镜检
D．B超
E．CT

电机启动时应该是无负荷启动。