皮皮学，免费搜题
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搜题
【单选题】
给某种蔬菜放射性同位素 15 N的氮肥，该蔬菜被人食用后，经过消化吸收 15 N最先到达心脏的哪个腔？（ ）A.
左心房
B.
左心室
C.
右心房
D.
右心室
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举一反三
【单选题】Everyone involved in this matter should make a _________ not to leak the secret.
A.
pledge
B.
warranty
C.
assurance
D.
guarantee
【单选题】Everyone ______ to make a proposal.
A.
suppose
B.
supposes
C.
supposed
D.
is supposed
【简答题】建筑物如图所示,内外墙墙厚均为240mm,设有悬挑雨棚,计算其建筑面积。
【简答题】Everyone should be allowed to make a mistake without______ (punish) for it.
【简答题】建筑物如图所示,计算其建筑面积
【简答题】建筑物如图所示,计算其建筑面积。
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【简答题】阅读理解。 Music is an art that almost everyone enjoys. Everyone can make sounds by singing. All over the world, many kinds of music developed as people found out how to make sounds in different ways. Ther...
【简答题】某建筑物六层,建筑物内设有电梯,建筑物顶部设有围护结构的电梯机房,层高为2.2m,其平面如图所示,试计算该建筑物的建筑面积。
【单选题】The speed which the car races is ______ make everyone there astonished.
A.
such that
B.
such as to
C.
so that
D.
so as to
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