皮皮学，免费搜题
登录
搜题
【多选题】
蛋白质具有稳定胶体性质的原因是( )A.
分子表面形成水化膜
B.
分子带有同种电荷
C.
分子大小和结构相同
D.
分子没有发生变性
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】II. Choose the best topic sentence from the groups blow.
A.
City life is also convenient.
B.
With these attractions, we feel lucky to live in a city.
C.
In fact, in a city there are many places for the citizens to go for entertainment, such as theaters, parks, and recreational areas.
D.
Generally speaking, there are many attractions of living in a city.
【单选题】II. Choose the best topic sentence from the groups blow.
A.
Later on, people began to write on pieces of leather, which were rolled into scrolls.
B.
In the earliest times, people carved or painted messages on rocks.
C.
In the Middle Ages, heavy paper called parchment was used for writing and books were laboriously copied by hand.
D.
With the invention of the printing press in the middle of the fifteenth century, the modern printing industry was born.
E.
Some form of written communication has been used throughout the centuries.
【单选题】某大型制造公司的一个分公司的工作绩效一向比其他分公司高。这个分公司的管理人员都是从内部提拔上来的，很少出现意见相左的情况。最近，该分公司的利润和市场占有率均出现下降。总公司的高级管理人员询问管理顾问，是否可以派入外部管理人员形成不同意见的冲突，从而解决经营状况逐渐恶化的情况。最合适的回答应该是（）
A.
意见不同而产生的冲突是一种机能失凋，在这种情况下鼓励冲突可以说是在冒险
B.
若冲突能够得到有效地控制，可以鼓励冲突的产出
C.
该分公司的管理人员共事已经很长时间，应允许他们自己解决问题
D.
外部来的管理人员可以带来新的方法，对该分公司的经营有利，出现一些冲突不会产生不利影响
【单选题】II. Choose the best topic sentence from the groups blow.
A.
There are different types of social worker careers.
B.
A social worker can help a child find a home.
C.
A mental health social worker helps people deal with depression.
D.
A medical social worker helps people with diseases.
【单选题】II. Choose the best answers. As students, we _________ study hard.
A.
can
B.
may
C.
must
D.
could
【单选题】II. Choose the best topic sentence from the groups blow.
A.
A breakthrough in one of these areas will hopefully provide a means of relieving both the overstretched oil market and the environment.
B.
Researchers in the automobile industry are experimenting with different types of engines and fuels as alternatives to the conventional gasoline engines.
C.
One new type of engine, which burns diesel oil instead of gasoline, has been available for several years.
D.
.Finally, several automobile manufacturers are experimenting with methanol, which is a mixture of gasoline and methyl alcohol, as an automobile fuel.
E.
A further type is the gas turbine engine, which can use fuels made from gasoline, diesel oil, kerosene and other petroleum distillates.
F.
The increasing depletion of oil reserves, along with environmental concerns, have prompted some radical developments in car design over the past few years.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
