皮皮学，免费搜题
登录
搜题
【单选题】
高分子溶液稳定的主要原因是A.
高分子化合物含有大量的亲水基与水形成牢固的水化膜
B.
有较高的黏稠性
C.
有较高的渗透压
D.
有网状结构
E.
分子结构中含有非极性基团
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】Listen to a short conversation and choose the best answer to each question you hear.
A.
He totally understands the woman's situation.
B.
He feels very sorry for the woman's roommate.
C.
The woman shouldnt keep pets in her dormitory.
D.
The woman shouldn,'t quarrel with her roommate.
【单选题】Listen to a short passage and choose the best answer to each question you hear.
A.
superstitions and science
B.
tips on how to have good luck
C.
superstitions in the United States
D.
rational and superstitious societies
【单选题】使用高压蒸汽灭菌器进行灭菌时,下面操作不正确的是:
A.
外层锅内加入适量的水,最好纯净水或蒸馏水
B.
放入物品应留有蒸汽流通的空间
C.
锅四周的固定螺旋以对称的方式旋紧密封
D.
密闭容器,关好安全阀和放气阀,接通电源开始加热至温度达121.3℃
E.
灭菌结束,待压力表自然降至“0”处后,先打开排气阀,开盖取物
【简答题】5. Listen
to the short speech again and match the information in Column A with the choices in Column B.
【单选题】I . Listen to 10 short cinversations and choose the best to each question you hear.
A.
The man believed that the exam only cover 8 lessons.
B.
The man would have to review more lessons to meet the exam requirements.
C.
The woman argued that the exam will only cover the first 5 lessons.
D.
The woman would have to spend the weekend going over more lessons.
【单选题】There were a lot of people standing at the door and the small girl couldn’t get _______.
A.
between
B.
through
C.
across
D.
beyond
相关题目：
参考解析：
知识点：
题目纠错 0
发布
