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【单选题】
受弯构件的刚度要求是 ≤[ ],计算挠度 时,则应( )。
A.
用荷载的计算值
B.
用荷载的标准值
C.
对可变荷载用计算值
D.
对永久荷载用计算值
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举一反三
【单选题】下列不属于男性内生殖器的是
A.
阴茎
B.
附睾
C.
睾丸
D.
前列腺
查看完整题目与答案
【单选题】向含有Cu（NO 3 ） 2 、Zn（NO 3 ） 2 、Fe（NO 3 ） 3 、AgNO 3 各0.1mol的混合溶液中加入0.1molFe，充分搅拌后Fe溶解，溶液中不存在Fe 3+ ，同时析出0.1mol Ag．．下列结论错误的是（　　）
A.
氧化性：Zn 2+ ＞Cu 2+ ＞Fe 3+ ＞Ag +
B.
Fe 3+ 的氧化性大于Cu 2+
C.
溶液中Cu 2+ 与Fe 2+ 的物质的量比为1：2
D.
1molFe可还原2molFe 3+
查看完整题目与答案
【单选题】听力原文： An American U-2 surveillance plane made its first flight over Iraq on Monday in support of the current U.N. inspection mission, marking another concession by Saddam Hussein's regime to stave off...
A.
she protests against military action.
B.
she maneuvers to show its forces.
C.
she intends to defend its country.
D.
she makes another concession.
查看完整题目与答案
【单选题】浅绿色的Fe(NO 3 ) 2 溶液中存在着如下的平 衡：Fe 2+ +2H 2 O Fe(OH) 2 +2H + 若在此溶液中加入盐酸，则溶液的颜色变化为 [     ]
A.
绿色变深
B.
浅绿色变得更浅
C.
变黄
D.
无明显变化
查看完整题目与答案
【单选题】听力原文： An American U-2 surveillance plane made its first flight over Iraq on Monday in support of the current U.N. inspection mission, marking another concession by Saddam Hussein's regime to stave off...
A.
it protests against military action
B.
it maneuvers to show its forces
C.
it intends to defend its country
D.
it makes another concession
查看完整题目与答案
【单选题】下列不属于男性内生殖器的是
A.
阴茎
B.
附睾
C.
睾丸
D.
前列腺
E.
精囊腺
查看完整题目与答案
【单选题】听力原文： General Electric reported second-quarter profits of $ 5.4 billion Friday and said it was getting out of the U.S. mortgage business. Profits for the quarter ending June 30 were up by more than 10...
A.
$ 5.4 billion
B.
$4.9 billion
C.
$0.5 billion
D.
$10.3 billion
查看完整题目与答案
【简答题】E Babies are not just passing idle time when they stare goggle-eyed at the television—they are actually learning about the world, U.S. researchers said. Parents may want t limit what their babies see ...
查看完整题目与答案
【单选题】下列不属于男性内生殖器的是
A.
阴茎
B.
睾丸
C.
精囊腺
D.
前列腺
查看完整题目与答案
【单选题】浅绿色的Fe(NO 3 ) 2 溶液中存在着如下的平衡：Fe 2+ +2H 2 O Fe(OH) 2 +2H + 若在此溶液中加入稀硫酸，则溶液的颜色变化为(    )
A.
绿色变深
B.
浅绿色变得更浅
C.
变黄
D.
无明显变化
查看完整题目与答案
相关题目：
【单选题】下列不属于男性内生殖器的是
A.
阴茎
B.
附睾
C.
睾丸
D.
前列腺
查看完整题目与答案
【单选题】向含有Cu（NO 3 ） 2 、Zn（NO 3 ） 2 、Fe（NO 3 ） 3 、AgNO 3 各0.1mol的混合溶液中加入0.1molFe，充分搅拌后Fe溶解，溶液中不存在Fe 3+ ，同时析出0.1mol Ag．．下列结论错误的是（　　）
A.
氧化性：Zn 2+ ＞Cu 2+ ＞Fe 3+ ＞Ag +
B.
Fe 3+ 的氧化性大于Cu 2+
C.
溶液中Cu 2+ 与Fe 2+ 的物质的量比为1：2
D.
1molFe可还原2molFe 3+
查看完整题目与答案
【单选题】听力原文： An American U-2 surveillance plane made its first flight over Iraq on Monday in support of the current U.N. inspection mission, marking another concession by Saddam Hussein's regime to stave off...
A.
she protests against military action.
B.
she maneuvers to show its forces.
C.
she intends to defend its country.
D.
she makes another concession.
查看完整题目与答案
【单选题】浅绿色的Fe(NO 3 ) 2 溶液中存在着如下的平 衡：Fe 2+ +2H 2 O Fe(OH) 2 +2H + 若在此溶液中加入盐酸，则溶液的颜色变化为 [     ]
A.
绿色变深
B.
浅绿色变得更浅
C.
变黄
D.
无明显变化
查看完整题目与答案
【单选题】听力原文： An American U-2 surveillance plane made its first flight over Iraq on Monday in support of the current U.N. inspection mission, marking another concession by Saddam Hussein's regime to stave off...
A.
it protests against military action
B.
it maneuvers to show its forces
C.
it intends to defend its country
D.
it makes another concession
查看完整题目与答案
【单选题】下列不属于男性内生殖器的是
A.
阴茎
B.
附睾
C.
睾丸
D.
前列腺
E.
精囊腺
查看完整题目与答案
【单选题】听力原文： General Electric reported second-quarter profits of $ 5.4 billion Friday and said it was getting out of the U.S. mortgage business. Profits for the quarter ending June 30 were up by more than 10...
A.
$ 5.4 billion
B.
$4.9 billion
C.
$0.5 billion
D.
$10.3 billion
查看完整题目与答案
【简答题】E Babies are not just passing idle time when they stare goggle-eyed at the television—they are actually learning about the world, U.S. researchers said. Parents may want t limit what their babies see ...
查看完整题目与答案
【单选题】下列不属于男性内生殖器的是
A.
阴茎
B.
睾丸
C.
精囊腺
D.
前列腺
查看完整题目与答案
【单选题】浅绿色的Fe(NO 3 ) 2 溶液中存在着如下的平衡：Fe 2+ +2H 2 O Fe(OH) 2 +2H + 若在此溶液中加入稀硫酸，则溶液的颜色变化为(    )
A.
绿色变深
B.
浅绿色变得更浅
C.
变黄
D.
无明显变化
查看完整题目与答案