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【单选题】
“绿色化学”是当今社会提出的一个新概念。在“绿色化学工艺”中，理想状态是反应物中的原子全部转化为欲制得的产物，即原子的利用率为100%。在用C 3 H 4 （丙炔）合成C 5 H 8 O 2 （2-甲基丙烯酸甲酯）的过程中，欲使原子的利用率达到最高，在催化剂作用下还需其他的反应物是 [     ]
A.
CO和CH 3 OH
B.
CO 2
C.
H 2 O和CH 4
D.
CH 3 OH和H 2
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【多选题】某企业年末银行存款日记账的余额为12000元，银行转来的对账单余额为13000元，有这几笔未达账项：企业收到支票3000元入账，银行未入账；企业开出支票1000元并已入账，银行未入账；企业委托银行收款5000元，银行已入账而企业未入账；银行代企业支付水电费2000元，银行已入账而企业未入账。以下哪些是正确的？（）
A.
用补记式余额调节法可得银行存款实存数为10000元
B.
用补记式余额调节法可得银行存款实存数为15 000元
C.
用剔除式余额调节法可得调节后余额为10 000元
D.
用剔除式余额调节法可得调节后余额为15 000元
查看完整题目与答案
【简答题】More and more scientific experiments prove that physical exercise can reduce the ers of some illnesses in middle-aged persons．Exercise strengthens the heart muscle，reduces blood pressure and help ...
查看完整题目与答案
【单选题】Why is physical exercise good for the heart and blood vessels?
A.
Because exercise makes hearts beat more strongly .
B.
Because exercise makes blood circulate more smoothl y.
C.
Because exercise may make human bodies rest .
D.
Because exercise may help heart muscle and blood work in bodies .
查看完整题目与答案
【简答题】SECTION A COMPOSITION (35 MIN) Some people say that physical exercise should be a required part of every school day. Other people believe that students should spend the whole school day on academic st...
查看完整题目与答案
【简答题】You are likely to get sick if you do not do physical exercise often.
查看完整题目与答案
【单选题】Physical exercise may increase the body ability to utilize insulin by __________. 查看材料
A.
70 per cent
B.
30 per cent
C.
60 per cent
D.
only a few per cent
查看完整题目与答案
【单选题】对银行已入账而企业未入账的未达账项，企业应当
A.
根据银行对账单金额入账
B.
根据“银行存款余额调节表”和“银行对账单”自制原始凭证入账
C.
在编制“银行存款余额调节表”时入账
D.
待有关凭证到达时入账
查看完整题目与答案
【单选题】Solutions to worrying such as smoking, drinking and physical exercise ______.
A.
make things worse if we are worried
B.
do nothing to overcome anxiety
C.
are often satisfactory for a short time
D.
merely produce physical strain to cover up mental stress
查看完整题目与答案
【多选题】某企业年末银行存款日记账的余额为12000,银行转来的对账单余额为13000,有这几笔未达账项:企业收到支票3000元入账,银行未入账;企业开出支票1000元并入账,银行未入账;企业委托银行收款5000元,银行已入账而企业未入账;银行代企业支付水电费2000元,银行已入账而企业未入账。以下哪些是正确的
A.
用补记式余额调节表法可得银行存款实存数为10000元
B.
用补记式余额调节表法可得银行存款实存数为15000元
C.
用剔除式余额调节表法可得调节后余额为10000元
D.
用剔除式余额调节表法可得调节后余额为15000元
查看完整题目与答案
【单选题】There is no _____ that taking regular physical exercise is good for your heart.
A.
need
B.
sense
C.
worry
D.
doubt
查看完整题目与答案
相关题目：
【多选题】某企业年末银行存款日记账的余额为12000元，银行转来的对账单余额为13000元，有这几笔未达账项：企业收到支票3000元入账，银行未入账；企业开出支票1000元并已入账，银行未入账；企业委托银行收款5000元，银行已入账而企业未入账；银行代企业支付水电费2000元，银行已入账而企业未入账。以下哪些是正确的？（）
A.
用补记式余额调节法可得银行存款实存数为10000元
B.
用补记式余额调节法可得银行存款实存数为15 000元
C.
用剔除式余额调节法可得调节后余额为10 000元
D.
用剔除式余额调节法可得调节后余额为15 000元
查看完整题目与答案
【简答题】More and more scientific experiments prove that physical exercise can reduce the ers of some illnesses in middle-aged persons．Exercise strengthens the heart muscle，reduces blood pressure and help ...
查看完整题目与答案
【单选题】Why is physical exercise good for the heart and blood vessels?
A.
Because exercise makes hearts beat more strongly .
B.
Because exercise makes blood circulate more smoothl y.
C.
Because exercise may make human bodies rest .
D.
Because exercise may help heart muscle and blood work in bodies .
查看完整题目与答案
【简答题】SECTION A COMPOSITION (35 MIN) Some people say that physical exercise should be a required part of every school day. Other people believe that students should spend the whole school day on academic st...
查看完整题目与答案
【简答题】You are likely to get sick if you do not do physical exercise often.
查看完整题目与答案
【单选题】Physical exercise may increase the body ability to utilize insulin by __________. 查看材料
A.
70 per cent
B.
30 per cent
C.
60 per cent
D.
only a few per cent
查看完整题目与答案
【单选题】对银行已入账而企业未入账的未达账项，企业应当
A.
根据银行对账单金额入账
B.
根据“银行存款余额调节表”和“银行对账单”自制原始凭证入账
C.
在编制“银行存款余额调节表”时入账
D.
待有关凭证到达时入账
查看完整题目与答案
【单选题】Solutions to worrying such as smoking, drinking and physical exercise ______.
A.
make things worse if we are worried
B.
do nothing to overcome anxiety
C.
are often satisfactory for a short time
D.
merely produce physical strain to cover up mental stress
查看完整题目与答案
【多选题】某企业年末银行存款日记账的余额为12000,银行转来的对账单余额为13000,有这几笔未达账项:企业收到支票3000元入账,银行未入账;企业开出支票1000元并入账,银行未入账;企业委托银行收款5000元,银行已入账而企业未入账;银行代企业支付水电费2000元,银行已入账而企业未入账。以下哪些是正确的
A.
用补记式余额调节表法可得银行存款实存数为10000元
B.
用补记式余额调节表法可得银行存款实存数为15000元
C.
用剔除式余额调节表法可得调节后余额为10000元
D.
用剔除式余额调节表法可得调节后余额为15000元
查看完整题目与答案
【单选题】There is no _____ that taking regular physical exercise is good for your heart.
A.
need
B.
sense
C.
worry
D.
doubt
查看完整题目与答案
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