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【单选题】
属于控制电器的是 ()A.
熔断器
B.
接触器
C.
刀开关
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【单选题】The author implies that a minority-owned concern that does the greater part of its business with one large corporate customer should ______.
A.
avoid competition with larger, more established concerns by not expanding
B.
concentrate on securing even more business from that corporation
C.
try to expand its customer base to avoid becoming dependent on the corporation
D.
use its influence with the corporation to promote subcontracting with other minority concerns
【简答题】昨天,安通尼把美元换成了欧元。 Ayer Antonio
【单选题】The purpose of the author in mentioning the three researches is to ______.
A.
make a contrastive analysis of them
B.
illustrate the achievements in cancer therapy
C.
present the similarities and differences between them
D.
show how altered genes can cause cancer
【简答题】Contras against accounts payable should be recorded on the ____ side of the accounts receivable control account.
【单选题】The author implies that a minority-owned concern that does the greater part of its business with one large corporate customer should _____.
A.
avoid competition with larger, more established concerns by not expanding.
B.
concentrating on securing even more business from that corporation.
C.
use its influence with the corporation to promote subcontracting with other minority concerns.
D.
try to expand its customer bases to avoid becoming dependent on the corporation.
【单选题】要用文字设定法将一个文件file的权限修改成“-rwxr-xr-”，正确的命令是()。
A.
chmodu+rwx,g+rx,o+rfile
B.
chmod-u+rwx,g+rx,o+rfile
C.
chmodg+rwx,u+rx,o+rfile
D.
chmod-g+rwx,u+rx,o+rfile
【单选题】请根据以下内容回答下列各题 The business cycle is made up of many phases and one of them is the expansion phase which is divided into two parts--recovery and prosperity,During the recovery period there is a growing...
A.
The expansion of existing facilities.
B.
The creation of new business.
C.
The increase of optimism about the future of economy.
D.
All the above.
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