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【简答题】
IPv6采用了长度为____位的IP地址。
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举一反三
【单选题】Boys and girls, wish you to do well in the English exam ____ a light heart. Good luck to everyone!
A.
on
B.
with
C.
without
【单选题】Why can't you see light when you look at a black hole?
A.
Because most black holes are so far away.
B.
Because the gravity of a black hole is so strong that it sucks? the light inward.
C.
Because as the star's gases burn, it stops giving off heat and light.
D.
Because as a star cools, its outer layers pull in toward its center.
【单选题】—Look，the light in Jim’s room is still on. Do you know______? —To study for the coming exam, maybe.
A.
if he works hard
B.
why is he so busy
C.
why he stays up so late
D.
when he will stop working
【单选题】You look that light-hearted. Nothing seems ________ to you.
A.
to happen
B.
to be happened
C.
to have happened
D.
to have been happened
【单选题】You look light-hearted. Nothing seems ______ to you.
A.
to happen
B.
to have been happened
C.
to have happened
D.
to be happened
【单选题】在句子“A light heart lives long.”中,主语部分是:
A.
heart
B.
A light heart
C.
light heart
D.
lives
【简答题】You look
light-hearted. Nothing seems _____ to you.A. to happen B. to have been happened C. to have
happened D. to be happened
【单选题】You look like light-hearted. Nothing seems ____ to you. [ ]
A.
to happen
B.
to be happened
C.
to have happened
D.
to have been happened
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