危险和有害因素及其后果包括隐蔽性、随机性和（）。

第二卷(共35分)

第四部分：写作（共两节，满分35分）

第一节：短文填词（共10小题；每小题1分，满分10分）

阅读下面短文，根据以下提示：1）汉语提示，2）首字母提示，3）语境提示，在每个空格内填入一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确，拼写正确

Dear Tom,

Very pleased to know that you’re coming to study in Beijing.

Here is an _____ (介绍) to a school of Chinese. Compared                76. __________

with other schools, it is a suitable one that you can go to _____,    77. __________

it is very _____ (方便) for you to get there by No. 16 bus.            78. __________

Next, the classes are very small. There are 24 teaching h                  79. __________

a week. _____class, you can enjoy sports and activities                    80. __________

with other students. S    with a Chinese family will                       81. __________

provide you with a chance to _____ (练习) your Chinese                  82. __________

and _____ more about the Chinese family life. The time suits           83. __________

you and 3,000 yuan is paid per month. I’ll get in t    with              84. __________

them _____ you show interest in this school.                               85. __________

Looking forward to hearing from you soon.  

Yours,

Li Hua

矿压观测报告是对（）的总结与归纳。

葡萄球菌的选择性培养基为（）

A.亚碲酸钾血平板

B.SS培养基

C.高盐甘露醇平板

D.TCBS琼脂平板

E.罗琴培养基

某经纬仪测水平角，一测回的中误差m=±15″，欲使测角精度达到±5″，儒测回数为（）。

A.3

B.6

C.9

D.12

在（）、（）等技击术中可以使用肘法。