皮皮学,免费搜题
登录
搜题
【单选题】
HCO 3 - 的共轭碱是
A.
H 2 CO 3
B.
CO 3 2 -
C.
H +
D.
OH -
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】The sentence “shall I compare thee to a summer’s day?” is the beginning line of one of Shakespeare’s_____.
A.
Comedies
B.
Tragedies
C.
Sonnets
D.
Histories
【判断题】右侧标志提示前方 200 米是车距确认路段。
A.
正确
B.
错误
【单选题】She had lost her pen. Would you like to lend her______?
A.
mine
B.
yours
C.
your
D.
yourself
【单选题】“Shall I compare thee to a summer's day ? ”is the beginning line of one of William Shakespeare's__.
A.
songs
B.
plays
C.
comedies
D.
sonnets
【简答题】占,占据;引起,导致;解释,说明
【简答题】当车身加强件错误切割的尺寸超过某值时,即使修复好了,也会影响其强度,这个数值是( )。A. 4 mm B. 5 mm C. 6 mm
【判断题】排序能改变记录的物理顺序,而索引不改变记录的物理顺序。
A.
正确
B.
错误
【单选题】______six years since I began to study English.
A.
It has been
B.
I have been
C.
There are
D.
It was
【单选题】草岭的食性属于(       )
A.
植食性
B.
肉食性
C.
粪食性
D.
腐食性
【单选题】She had lost her pen. Would you like to lend her ____ ?
A.
your
B.
you
C.
yours
D.
you pen