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【单选题】
分支到眼球角膜的神经是A.
视神经
B.
动眼神经
C.
展神经
D.
眼神经
E.
滑车神经
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举一反三
【单选题】We must derive hydrogen from renewable sources with a view to a pure hydrogen economy.
A.
Y
B.
N
C.
NG
【判断题】Obtaining hydrogen from electrolysis is being studied as a viable way to produce it domestically at a high cost.
A.
正确
B.
错误
【单选题】______, he can now only watch it on TV at home. （1998年考试真题）
A.
Obtaining not a ticket for the match
B.
Not obtaining a ticket for the match
C.
Not having obtained a ticket for the match
D.
Not obtained a ticket for the match
【单选题】Hydrogen is the fundamental element of the universe______it provides the building blocks from which the other elements are produced.
A.
so that
B.
now that
C.
in that
D.
but that
【简答题】We must derive hydrogen from __________________ with a view to a pure hydrogen, economy.
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