以下不属于高分子材料的是( ) A.塑料 B.合成纤维 C.合成橡胶 D.合金

题型:选择题

问题:

以下不属于高分子材料的是(  )

A.塑料

B.合成纤维

C.合成橡胶

D.合金

考点:天然有机高分子材料合成有机高分子材料
题型:选择题

阅读下列应用文和相关信息,并按照要求匹配信息。

每个人都有烦心事,下面5个人也碰到了自己的问题,根据他们的信息,从A—F中找出合适的建议来对他们进行引导。

A.Find some new friends or colleagues to help you to ease (缓解) the working pressure and loneliness. Making friends is a great pleasure. At the same time, call your family regularly and tell them you are fine here.

B.It is very important to take care of yourself. Caring more about your own body will help you be more energetic to take care of your family members. So treat yourself well.

C.It is a good lifestyle to eat fresh vegetables and fruit. Have a backup plan for the days when you plan to eat well. And sometimes physical exercise will do good to your health, so do regular activities often.

D.Give yourself a reward when you get some small success, which will lead to achieving your overall goals. And celebration takes active part in successful changes. So make a list of some more interesting reasons to keep you go on fighting for your own future.E. Have a rest or have a trip. Family as well as work is important in people’s life. Just as some sayings go:People who know how to rest know how to work; All work and no play makes Jack a dull boy. So stay with your family and enjoy the beautiful life.

F. You should trust yourself and your ability, and have a positive (积极的) attitude to work. Sometimes you can list some past success, which can help you to remind that you are an able man. So self-confidence is very important to you.

阅读下列人物信息,并试为其选择合适的建议。

1.Mike is an engineer of computer, but he doesn’t’ believe in his own working ability. He actually works very hard but he doesn’t get a rise in his company. So he feels very sad.

2. Cedric is alone in this company, and he doesn’t’ t like to stay at the dorm, which he thinks will make him more homesick and miss his family in Sichuan.

3. Vicky doesn’t have outside work. Actually she is a housewife. She uses almost all of her time to cook the meal, clean the house and take care of her babies. She feels very tired and she thinks her health condition is getting worse and worse.

4. Cathy is a busy businesswoman, but her business is not very successful. She cares little about her success and she doesn’t’ have any motivation(动力) to improve her business.

5. Fiona has worked for 4 weeks without having a rest. So she feels very worried about her young daughter, who is only 8 years old. She is very tired now and she misses her family very much.

题型:选择题

下列各句句意明确的一项是()

A.县里的通知说,让赵乡长本月15日前去汇报。

B.他背着总经理和副总经理偷偷地把这笔钱分别存人了两家银行。

C.这次考试不难,但由于他准备得不够充分,差点就没及格。

D.局长嘱咐几个学校的领导,新学期的工作一定要有新的起色。

题型:选择题

常见污迹的处理方法中不正确的是()。

A、器具上沾有血清无法洗涤时,可用加酶洗涤剂浸泡

B、陈旧血迹可用过氧化氢擦拭

C、物品上如有碘酊污渍可用乙醇或草酸擦拭

D、高锰酸钾污渍用维生素D溶液洗涤,或2%~5%过氧乙酸溶液浸泡后洗涤

题型:选择题

液压工具回收慢可能是由于系统内存在压力的原因,其解决方法为()。

A、请勿超过允许值的负载

B、应紧紧连接松动的接头

C、打开减压阀为系统泻压

D、排放油量至最大刻度处

题型:选择题

滚动轴作为一种标准件,其结构、特点、类型和内径尺寸,均应采用代号表示。轴承的代号由前置代号、()、后置代号组成。

更多题库