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【单选题】
某钢厂领导班子正在对该钢厂的技术改造问题进行经济可行性分析。经过调查得知,该铜厂目前年产钢1000万吨,成本居高不下,时环境的污染日益严重,产品质量有所下降,还存在着- -定的安全隐患。为了解决存在的问题,需耗资9000万元进行技术改造。技术改造完成后,每吨钢的成本将由原来的2800元降低至2600元,环境污染问题、安全隐患问题和产品质量问题均能得到- -定程度的解决。假设该行业的标准投资效益系数为0.3。根据以上资料;回答下列问题: 技术改造项目可行性研究的第一个阶段为 ()A.
确定投资方向阶段
B.
项目的初步选择阶段
C.
项目拟定阶段
D.
项目的评价和决定阶段
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【简答题】先导化合物
【单选题】Which statement is not true of the performer of acupuncture?
A.
He knows where to place the needles without pain.
B.
He knows where the operation is to be performed.
C.
He knows how to perform. the operation to cure the patient.
D.
He knows how to use the needles in an operation.
【简答题】先导化合物
【单选题】— Why is your father in such a hurry? — He _____ for Beijing to attend an important meeting. The plan _____ at six. [ ]
A.
will leave; leave
B.
is leaving; leaves
C.
is leaving; will leave
D.
leaves; is leaving
【简答题】先导化合物
【单选题】What he described as only a ______ detail I thought was the most important part of the plan.
A.
common
B.
plain
C.
just
D.
mere
【单选题】It is the most instructive lecture that ________since I came to this school.
A.
attended
B.
had attended
C.
am attending
D.
have attended
【单选题】It is the most instructive lecture that I _____ since I came to this school. [ ]
A.
attended
B.
had attended
C.
am attending
D.
have attended
【单选题】Which of the following italicized parts is a subject clause?
A.
He will have it that our plan is really practical.
B.
My hope is that he will keep it a secret for ever.
C.
It now appears that they are in urgent need of help.
D.
It happened on the day that he was born.
【简答题】先导化合物
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