2015年成人高考高升本每日一练(10月3日)
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单项选择题
1、 已和氘原子核由一个质子和一个中子组成.设氘核、质子和中子的质量分别为mD、mp和mn,则质子和中子结合成氘核时( )
A.mD=mp+mn,吸收能量
B.mD=mp+mn,放出能量
C.mD D.mD< mp+mn,放出能量
2、 函数y=sin x+cosx的值是( )
3、

4、
( )
A.a>1
B.a>2
C.1D.0
5、 我国以冰雪融水和地下水为水源的灌溉农业区是( )
A.渭河平原
B.宁夏平原
C.河西走廊
D.河套平原
6、 Drunk driving,which was once a_________ occurrence,is now under control.
A.general
B.frequent
C.normal
D.particular
7、 A poet and artist__________ coming to speak to us about Chinese literature and painting tomorrow afternoon.
A.is
B.are
C.was
D.were
8、

A.k<1
B.k>2
C.k<1或k>2
D.1
9、
A.A
B.B
C.C
D.D
10、
A.A
B.B
C.C
D.D
1、 已和氘原子核由一个质子和一个中子组成.设氘核、质子和中子的质量分别为mD、mp和mn,则质子和中子结合成氘核时( )
A.mD=mp+mn,吸收能量
B.mD=mp+mn,放出能量
C.mD
2、 函数y=sin x+cosx的值是( )

3、


4、

A.a>1
B.a>2
C.1D.0
5、 我国以冰雪融水和地下水为水源的灌溉农业区是( )
A.渭河平原
B.宁夏平原
C.河西走廊
D.河套平原
6、 Drunk driving,which was once a_________ occurrence,is now under control.
A.general
B.frequent
C.normal
D.particular
7、 A poet and artist__________ coming to speak to us about Chinese literature and painting tomorrow afternoon.
A.is
B.are
C.was
D.were
8、

A.k<1
B.k>2
C.k<1或k>2
D.1
9、

A.A
B.B
C.C
D.D
10、

A.A
B.B
C.C
D.D