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【单选题】
下列关于胶体的叙述不正确的是（ ）A.
布朗运动是胶体粒子特有的运动方式，可以据此把胶体和溶液、悬浊液区别开来
B.
光线透过胶体时，胶体发生丁达尔现象
C.
用渗析的方法净化胶体时，使用的半透膜只能让较小的分子、离子通过
D.
某些胶体粒子具有较大的表面积，能吸附阳离子或阴离子，在电场作用下会产生电泳现象
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举一反三
【单选题】I look forward to _______ about what Mary has decided.
A.
hear
B.
hearing
C.
be heard
【多选题】Complete the sentences with the words given below, changing the form if necessary. 1. Mary is working as a________ in a small computer company. 2. Mary has decided to buy a Bluetooth________. 3. IE is...
A.
button
B.
underline
C.
speaker
D.
secretary
E.
browser
F.
attach
【简答题】Mary has decided to buy a Bluetooth ________.
【简答题】Fill in the blanks with appropriate prepositions.(用适当的介词填空) 1. John was criticized by his teacher this morning, for he was late _____ class again. 2. He has been absent _____class several times this m...
【单选题】8 Mary has made up her mind not to go to the meeting
A.
tried
B.
promised
C.
decided
D.
attempted
【单选题】I look forward to ________ about what Mary has decided.
A.
hear
B.
heard
C.
be heard
D.
hearing
【单选题】Mary has made up her mind not to go to the meeting.
A.
tried
B.
promised
C.
decided
D.
attempted
【单选题】Another school of poetry prevailing in 17th century was that of______, i. e. those verse-writers , often knights and squires, who sided with the King against the Parliament and Puritans.
A.
Metaphysical Poets
B.
Cavalier Poets
C.
John Milton
D.
John Dryden
相关题目：
【单选题】I look forward to ________ about what Mary has decided.
A.
hear
B.
heard
C.
be heard
D.
hearing