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【单选题】
Nobody but I knows Japanese in my class, ?
A.
does he
B.
doesn’t he
C.
do they
D.
don’t they
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举一反三
【单选题】She still remembers Beijing University, ____________she graduated five years ago.
A.
from which
B.
from where
C.
which
D.
不填
查看完整题目与答案
【单选题】下列电离方程式书写正确的是( )
A.
把H 2 SO 4 放入水中:H 2 SO 4 H 2+ +SO 4 2 ﹣
B.
把Ba(OH) 2 放入水中:Ba(OH) 2 Ba 2+ +(OH) 2 ﹣
C.
把NaHSO 4 放入水中:NaHSO 4 Na + +H + +SO 4 2 ﹣
D.
把CaCl 2 放入水中:CaCl 2 Cu 2+ +Cl 2 ﹣
查看完整题目与答案
【单选题】She still remembers Beijing University, _____ she graduated five years ago. [ ]
A.
from where
B.
from which
C.
which
D.
/
查看完整题目与答案
【单选题】下列电离方程式书写正确的是( )
A.
Ba(OH) 2 = Ba 2 + + (OH) 2 -
B.
FeCl 3 = Fe 2 + + 3Cl -
C.
K 2 CO 3 = K + + CO 3 2 -
D.
H 2 SO 4 = 2H + + SO 4 2 -
查看完整题目与答案
【单选题】She says she still remembers the things and the persons ______ I told him last year.
A.
which
B.
that
C.
who
D.
whom
查看完整题目与答案
【单选题】下列电离方程式书写正确的是 ( )
A.
Al 2 (SO 4 ) 3可逆 2Al 3 + + 3SO42-
B.
HF可逆 H + + F -
C.
H 2 S可逆 2H + + S 2 -
D.
Ca(OH) 2可逆 Ca 2 + + 2OH -
查看完整题目与答案
【单选题】She still remembers the things and persons they talked about last year.
A.
who
B.
whom
C.
which
D.
that
查看完整题目与答案
【单选题】She still remembers Beijing University ______ she graduated five years ago.
A.
from where
B.
/
C.
which
D.
from which
查看完整题目与答案
【多选题】视频安防监控系统的扩展功能包括有()。
A.
报警联动
B.
电子警察
C.
入侵检测
D.
车辆测速
E.
全球定位
查看完整题目与答案
【单选题】下列电离方程式书写正确的是( )
A.
H 2 CO 3 ⇌2H + + CO 3 2-
B.
NaHCO 3 = Na + + H + + CO 3 2-
C.
Fe(OH) 3 = Fe 3+ + 3OH --
D.
KHSO 4 = K + + H + + SO 4 2-
查看完整题目与答案
相关题目:
【单选题】She still remembers Beijing University, ____________she graduated five years ago.
A.
from which
B.
from where
C.
which
D.
不填
查看完整题目与答案
【单选题】下列电离方程式书写正确的是( )
A.
把H 2 SO 4 放入水中:H 2 SO 4 H 2+ +SO 4 2 ﹣
B.
把Ba(OH) 2 放入水中:Ba(OH) 2 Ba 2+ +(OH) 2 ﹣
C.
把NaHSO 4 放入水中:NaHSO 4 Na + +H + +SO 4 2 ﹣
D.
把CaCl 2 放入水中:CaCl 2 Cu 2+ +Cl 2 ﹣
查看完整题目与答案
【单选题】She still remembers Beijing University, _____ she graduated five years ago. [ ]
A.
from where
B.
from which
C.
which
D.
/
查看完整题目与答案
【单选题】下列电离方程式书写正确的是( )
A.
Ba(OH) 2 = Ba 2 + + (OH) 2 -
B.
FeCl 3 = Fe 2 + + 3Cl -
C.
K 2 CO 3 = K + + CO 3 2 -
D.
H 2 SO 4 = 2H + + SO 4 2 -
查看完整题目与答案
【单选题】She says she still remembers the things and the persons ______ I told him last year.
A.
which
B.
that
C.
who
D.
whom
查看完整题目与答案
【单选题】下列电离方程式书写正确的是 ( )
A.
Al 2 (SO 4 ) 3可逆 2Al 3 + + 3SO42-
B.
HF可逆 H + + F -
C.
H 2 S可逆 2H + + S 2 -
D.
Ca(OH) 2可逆 Ca 2 + + 2OH -
查看完整题目与答案
【单选题】She still remembers the things and persons they talked about last year.
A.
who
B.
whom
C.
which
D.
that
查看完整题目与答案
【单选题】She still remembers Beijing University ______ she graduated five years ago.
A.
from where
B.
/
C.
which
D.
from which
查看完整题目与答案
【多选题】视频安防监控系统的扩展功能包括有()。
A.
报警联动
B.
电子警察
C.
入侵检测
D.
车辆测速
E.
全球定位
查看完整题目与答案
【单选题】下列电离方程式书写正确的是( )
A.
H 2 CO 3 ⇌2H + + CO 3 2-
B.
NaHCO 3 = Na + + H + + CO 3 2-
C.
Fe(OH) 3 = Fe 3+ + 3OH --
D.
KHSO 4 = K + + H + + SO 4 2-
查看完整题目与答案