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【多选题】
对 TOF 定时器指令,下列选项描述正确的是( )A.
输入端接通时，定时器“ ON ”，并把当前值设为 0
B.
TOF 定时器输入端由接通到断开时，定时器开始计时，当前值从 0 开始计时增加
C.
定时器“ ON ”时，其常闭触点断开，触点闭合
D.
当前值等于设定值时，定时器“ OFF ”，并停止计时
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举一反三
【单选题】Physical counts of inventory:
A.
Are not necessary under the perpetual system.
B.
Are necessary to adjust the Inventory account to the actual inventory available.
C.
Must be taken at least once a month.
D.
Requires the use of hand-held portable computers.
E.
Are not necessary under the cost-to benefit constraint.
【单选题】_____ to your letter enquiring for our TV sets, we have forwarded your enquiry for the attention of the biggest TV company.
A.
Refer
B.
Referring
C.
Referred
【单选题】To remedy our fault, we have forwarded for all the defective items.
A.
alternatives
B.
choices
C.
substitutes
D.
replacements
【单选题】______ to your letter enqriring fou our TV sets, we have forwarded your enquiry for the attention of the biggest TV company.
A.
Refer
B.
Referring
C.
Refered
【简答题】to your letter enquiring for our TV sets, we
have forwarded your enquiry for the attention of the biggest TV company.A. Refer B. Referring C. Referred
【单选题】____, women are better able to handle stress than men.
A.
Strange as it may seem
B.
It may seem as strange
C.
Strange it may seem
D.
It may seems strange
【单选题】_____to your letter enquiring for our TV sets ,we have forwarded your enquiry for the attention of the biggest TV company.
A.
Refer
B.
Referring
C.
Referred
D.
Reference
【单选题】____, women are better able to handle stress than men.
A.
Strange as it may seem
B.
It may seem as strange
C.
It may seems strange
D.
Strange it may seem
【单选题】To remedy our fault, we have forwarded______ for all the items you have found unsaleable.
A.
alternative
B.
replace
C.
choices
D.
substitutes
【单选题】Women are better than men at detecting sweet, sour, salty, ______bitter tastes.
A.
than
B.
or
C.
as
D.
and
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