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【单选题】
屋面框架梁端部钢筋向下弯折长度正确的是A.
15d
B.
12d
C.
-保护层
D.
-保护层*2
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【简答题】存量(stocks)
【多选题】There are two main types of stocks: ______
A.
common stocks
B.
paper stock
C.
preferred stocks
D.
electronic stock
【简答题】With fish stocks under threat, to feed our appetite in the future, we are going to _______________as well as our favorite cod fish.
【单选题】A key difference between bonds and stocks is that stocks______.
A.
are tax-exempt
B.
represent ownership
C.
represent borrowing
D.
can be issued by state and local governments
【单选题】Jeff Bewkes compared CEOs to some stocks in that ______.
A.
CEOs often own stocks of their companies
B.
CEOs can influence the industry like Some stocks
C.
CEOs are rising and falling like some stocks
D.
CEOs are controlling companies' fate like some stocks
【单选题】Declining fish stocks in the oceans is a global issue. ( )
A.
specificity
B.
emphasis
C.
time
【简答题】生物的多样性体现在哪三个方面?
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