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【单选题】
明天 ( míngtiān ) 林 ( lín ) 娜 ( nà ) 为什么 ( wèishénme ) 不能 ( bùnéng ) 来 ( lái ) 上课 ( shàngkè ) ?
A.
送 ( sòng ) 父母 ( fùmǔ ) 回 ( huí ) 法 ( fǎ ) 国 ( guó
B.
去 ( qù ) 机场 ( jīchǎng ) 接 ( jiē ) 父母 ( fùmǔ
C.
要 ( yào ) 去 ( qù ) 北京 ( běijīng
D.
要 ( yào ) 参加 ( cānjiā ) 一 ( yī ) 场 ( chǎng ) 比赛 ( bǐsài
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参考答案:
举一反三
【单选题】To succeed in a scien:tific experiment, ______.
A.
one needs being patient person
B.
patience is to need
C.
one needs to be patient
D.
patience is what needed
查看完整题目与答案
【单选题】America's emphasis on the importance of education for everyone has spurred scien-tific research.
A.
encouraged
B.
enered
C.
endorsed
D.
enlarged
查看完整题目与答案
【单选题】下列化学方程式中,不能用离子方程式 Ba 2+ +SO 4 2- ==BaSO 4 ↓表示的是( )。
A.
Ba(NO 3 ) 2 +H 2 SO 4 ==BaSO 4 ↓+2HNO 3
B.
BaCl 2 +Na 2 SO 4 ==BaSO 4 ↓+2NaCl
C.
BaCO 3 +H 2 SO 4 ==BaSO 4 ↓+H 2 O+CO 2 ↑
D.
BaCl 2 +H 2 SO 4 ==BaSO 4 ↓+2HCl
查看完整题目与答案
【单选题】Esthetics is a science that tries to make clear the laws and principles of _____________ .
A.
design
B.
beauty
C.
ornament
D.
decoration
查看完整题目与答案
【单选题】下列化学方程式中,不能用离子方程式H + +OH - =H 2 O表示的是( )
A.
HCl+NaOH=NaCl+H 2 O
B.
Ba(OH) 2 +2HNO 3 =Ba(NO 3 ) 2 +2H 2 O
C.
Cu(OH) 2 +2HNO 3 =Cu(NO 3 ) 2 +2H 2 O
D.
NaOH+NaHSO 4 =Na 2 SO 4 +H 2 O
查看完整题目与答案
【单选题】我国原有的经济体制是属于
A.
高度集中的计划经济体制
B.
有市场调节的计划经济体制
C.
有计划的商品经济体制
D.
计划与市场相结合的经济体制
查看完整题目与答案
【单选题】According to the author,people are suspicious of the professional judgment of scientists because ( ).
A.
their pronouncements often turn out to be wrong
B.
sometimes they hide the source of their research funding
C.
some of them do not give priority to intellectual honesty
D.
they could be influenced by their association with the project concerned
查看完整题目与答案
【判断题】社会公德是整个社会道德体系的高级层次。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列化学方程式中,不能用离子方程式 Ba 2 + +SO 4 2― ===BaSO 4 ↓
A.
Ba(NO3)2+H2SO4==BaSO4↓+2HNO3
B.
BaCl2+Na2SO4==BaSO4↓+2NaCl
C.
BaCO3+H2SO4==BaSO4↓+H2O+CO2↑
D.
BaCl2+H2SO4==BaSO4↓+2HCl
查看完整题目与答案
【判断题】小偏心受压破坏,当偏心距很小时,靠近轴向压力一侧的压应力大于另一侧。
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【单选题】To succeed in a scien:tific experiment, ______.
A.
one needs being patient person
B.
patience is to need
C.
one needs to be patient
D.
patience is what needed
查看完整题目与答案
【单选题】America's emphasis on the importance of education for everyone has spurred scien-tific research.
A.
encouraged
B.
enered
C.
endorsed
D.
enlarged
查看完整题目与答案
【单选题】下列化学方程式中,不能用离子方程式 Ba 2+ +SO 4 2- ==BaSO 4 ↓表示的是( )。
A.
Ba(NO 3 ) 2 +H 2 SO 4 ==BaSO 4 ↓+2HNO 3
B.
BaCl 2 +Na 2 SO 4 ==BaSO 4 ↓+2NaCl
C.
BaCO 3 +H 2 SO 4 ==BaSO 4 ↓+H 2 O+CO 2 ↑
D.
BaCl 2 +H 2 SO 4 ==BaSO 4 ↓+2HCl
查看完整题目与答案
【单选题】Esthetics is a science that tries to make clear the laws and principles of _____________ .
A.
design
B.
beauty
C.
ornament
D.
decoration
查看完整题目与答案
【单选题】下列化学方程式中,不能用离子方程式H + +OH - =H 2 O表示的是( )
A.
HCl+NaOH=NaCl+H 2 O
B.
Ba(OH) 2 +2HNO 3 =Ba(NO 3 ) 2 +2H 2 O
C.
Cu(OH) 2 +2HNO 3 =Cu(NO 3 ) 2 +2H 2 O
D.
NaOH+NaHSO 4 =Na 2 SO 4 +H 2 O
查看完整题目与答案
【单选题】我国原有的经济体制是属于
A.
高度集中的计划经济体制
B.
有市场调节的计划经济体制
C.
有计划的商品经济体制
D.
计划与市场相结合的经济体制
查看完整题目与答案
【单选题】According to the author,people are suspicious of the professional judgment of scientists because ( ).
A.
their pronouncements often turn out to be wrong
B.
sometimes they hide the source of their research funding
C.
some of them do not give priority to intellectual honesty
D.
they could be influenced by their association with the project concerned
查看完整题目与答案
【判断题】社会公德是整个社会道德体系的高级层次。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列化学方程式中,不能用离子方程式 Ba 2 + +SO 4 2― ===BaSO 4 ↓
A.
Ba(NO3)2+H2SO4==BaSO4↓+2HNO3
B.
BaCl2+Na2SO4==BaSO4↓+2NaCl
C.
BaCO3+H2SO4==BaSO4↓+H2O+CO2↑
D.
BaCl2+H2SO4==BaSO4↓+2HCl
查看完整题目与答案
【判断题】小偏心受压破坏,当偏心距很小时,靠近轴向压力一侧的压应力大于另一侧。
A.
正确
B.
错误
查看完整题目与答案
参考解析:
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