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【判断题】
分离间隙的衍射特点在于出现的衍射条纹是不对称的。A.
正确
B.
错误
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举一反三
【单选题】I. Gram negative bacteria II. Chemoorganotrophic heterotrop
A.
All members of I are also members of II, but not all members of II are members of I.
B.
All members of II are also members of I, but not all members of I are members of II.
C.
All members of I are members of II, and all members of II are members of I.
D.
No member of I is also a member of II.
E.
Some members of I are members of II and some are not, and some members of II are members of I and some are not.
【单选题】I. Photoorganotrophic heterotroph II. Chemolithotrophic autotroph
A.
All members of I are also members of II, but not all members of II are members of I.
B.
All members of II are also members of I, but not all members of I are members of II.
C.
All members of I are members of II, and all members of II are members of I.
D.
No member of I is also a member of II.
E.
Some members of I are members of II and some are not, and some members of II are members of I and some are not.
【单选题】II. Grammar & Vocabulary Section A Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence. Tom and Jane...
A.
along
B.
in
C.
from
D.
across
【单选题】The effective temperature of air is dependent upon ______. I. relative humidity II. air velocity
A.
I only
B.
II only
C.
Both I and II
D.
Neither I nor II
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