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【简答题】
以下非制霜常用的操作方法是( )。 A.渗析 B.煎煮 C.去油 D.干馏 A. 1 B. 1 C. 1 D. 1
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【单选题】下列各组离子化合物的晶格能变化顺序中,正确的是 ( ) 。
A.
(A)MgO ＞ CaO ＞ Al 2 O 3
B.
(B) LiF ＞ NaCl ＞ KI
C.
(C)RbBr ＜ CsI ＜ KCl
D.
(D) BaS ＞ BaO ＞ BaCl 2
【单选题】Please indicate the main function of the word that is in boldface in the following passage. More than one letter might be acceptable, but y ou must choose only one option as the best. From an advertis...
A.
P = a premise marker
B.
C = a conclusion marker
C.
A = an assuring term
D.
G = a guarding term
E.
D = a discounting term
F.
E+ = a positive evaluative term
G.
E- = a negative evaluative term
H.
N = none of the above
【单选题】Please indicate the main function of the phrase that is in boldface in the following passage. More than one letter might be acceptable, but y ou must choose only one option as the best. From an advert...
A.
P = a premise marker
B.
C = a conclusion marker
C.
A = an assuring term
D.
G = a guarding term
E.
D = a discounting term
F.
E+ = a positive evaluative term
G.
E- = a negative evaluative term
H.
N = none of the above
【简答题】( )是线路端头车站,除了供乘客上、下车外,还用于列车折返、停留和临时检修。终点站一般设有停车线。
【简答题】Bearing N32W indicates a line trending 32° west of the north.It is equal to an azimuth of 328°.
【简答题】A. announcing B.beneficial C.challenges D.commitment E.component F.contests G.critically H.develop I.distributing J.enhance K.entitled L.potential M.properly N.qualified O.retain The U.S. Department o...
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【简答题】Bearing N32W indicates a line trending 32° west of the north.It is equal to an azimuth of 328°.