皮皮学，免费搜题
登录
搜题
【单选题】
已知 a , b , c 为实数,则下列结论正确的是( )A.
若 ac ＞ bc ＞ 0 ，则 a ＞ b
B.
若 a ＞ b ＞ 0 ，则 ac ＞ bc
C.
若 ac 2 ＞ bc 2 ，则 a ＞ b
D.
若 a ＞ b ，则 ac 2 ＞ bc 2
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】What is the Swedish government doing to promote pellet-fuelled heating?
A.
selling it to farmers
B.
exporting it to Europe
C.
building furnaces
D.
providing it cheaply
【单选题】The reason he was late for school was he had to send his mother to a hospital.
A.
which; that
B.
why; that
C.
for which; because
D.
what; why
【单选题】在大唾液腺中，多形性腺瘤的好发部位依次是
A.
腮腺、舌下腺、颌下腺
B.
腮腺、颌下腺、舌下腺
C.
腮腺、颌下腺、唇腺
D.
颌下腺、腮腺、唇腺
E.
腮腺、舌下腺、腭腺
【单选题】The pellet was washed twice with ( ).
A.
75% of ethanol
B.
an ethanol of 75%
C.
75% ethanol
D.
a 75% ethanol
【单选题】Great quantities of soil _________ down the hillside by the rain last night.
A.
was washed
B.
were washed
C.
wash
D.
washes
【单选题】It was he was ill that he did not go to Mount Tai with us in our summer vocation.
A.
because
B.
as
C.
since
D.
though
【单选题】The coat made of this kind cloth _____ well. I think it is worthy _______.
A.
washes; buying
B.
is washed; buying
C.
washes; to be bought
D.
is washed; to be bought
相关题目：
参考解析：
知识点：
题目纠错 0
发布
