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【单选题】
在写文件内容时,不想覆盖上一次的内容,需要() (2分)
A.
直接写文件,不会覆盖
B.
再下一次写文件时,在文件末尾追加内容
C.
写文件时要一次写完整并保存
D.
文件只能写一次
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参考答案:
举一反三
【单选题】断后伸长率用符号______表示。
A.
σ s
B.
σ b
C.
δ    
D.
φ
【单选题】与Q235号钢相比,Q255号钢( )。
A.
δ大,σS小
B.
δ大,σS大
C.
δ小,σS小
D.
δ小,σS大
【单选题】古代哲学中构成宇宙本原的是
A.
天气
B.
精气
C.
阳气
D.
阴气
E.
地气
【单选题】We have discussed the project for two hours. And after a short break, the discussion    .A.will carr
A.
We have discussed the project for two hours. And after a short break, the discussion ____. A.will carry on
B.
will be carried on
C.
has carried on
D.
were carried on
【单选题】Until we have discussed all the details, no decision _______ about any new operations. [     ]
A.
will be made
B.
is made
C.
is being made
D.
has been made
【单选题】The competitions that we have discussed in this chapter do NOT include ______.
A.
“21 Century Cup” National English Speaking Competition
B.
National English Competition for College Students
C.
'FLTRP Cup' English Public Speaking Contest
D.
“Star of Outlook” English Talent Competition
【单选题】to the conference, we have already discussed this problem among ourselves.
A.
Similar
B.
Previous
C.
Cautious
D.
Senior
【多选题】中国古代哲学精气范畴是
A.
本原性物质概念
B.
整体性物质概念
C.
非为结构性的物质概念
D.
构成宇宙万物的最基本元素
【单选题】If we had discussed it with the manager, he would have surely agreed with it.
A.
necessarily
B.
simply
C.
certainly
D.
possibly
【单选题】If we had discussed it with the manager, he would have surely agreed with it.
A.
unnecessarily
B.
simply
C.
certainly
D.
possibly
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