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【单选题】
起吊货物时，两吊索的夹角越大，吊索受的拉力就（）。A.
越大
B.
越小
C.
不变
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反馈参考答案：
举一反三
【单选题】下列说法正确的是（ ）
A.
如果x+1=y+1，那么x=y
B.
如果 1 2 x=6，那么x=3
C.
如果a=b，那么a±b=b±a
D.
如果|a|=a，那么a＞0
【简答题】The world leaders finally attended__________________
【单选题】In resolving the problem, the IMF and world leaders must, of course, urgently address the ___ issuses of shaky banking systems, transparency and financial management.
A.
emergent
B.
immediate
C.
imminent
D.
urgent
【简答题】Even before World War Ⅱ ended in 1945,many world leaders dreamed of a new organization that would keep international peace and safety,and encourage international cooperation（合作）.An organization was fo...
【单选题】World leaders and environmentalists have talked about the need to preserve the forest for decades.
A.
Y
B.
N
C.
NG
【简答题】根据牛津词源词典,medicine的拉丁词源“medicina”的意思是?写出英文原文
【单选题】Leaders of most countries in the world attended the UN meeting ______ in South Africa earlier this year.
A.
to be held
B.
to hold
C.
held
D.
holding
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