更多"Scientists now know that matter and"的相关试题:
[单项选择]I see Mary _________ day in school. I know her very well.
A. every the second
B. every second
C. the every second
D. the second
[单项选择]We now know that humans have evolved not to subsist on a single, Paleolithic diet but to be______eaters, an insight that has important implications for the current debate over what people today should eat in order to be healthy.
A. (A) flexible
B. (B) carnivorous
C. (C) gregarious
D. (D) predictable
E. (E) salubrious
[单项选择]As we know, physics ______ the science of energy.
A. was
B. were
C. is
D. are
[单项选择]I know the day breaks now, （ ） the birds are singing.
A. for
B. where
C. if
D. when
[单项选择]Speaker A: Oh, I am feeling dizzy now. You know I have just enjoyed much beer.Speaker B: Really Don't you know it is a very important party （）
A. Behave yourself
B. Cheer up
C. Mind your Own business
D. Watch your back
[单项选择]I know the day breaks now, ______ the birds are singing.
A. for
B. where
C. if
D. when
[单项选择]Upto now,nothing （） Betty.I want to know the reason （） he hasn't written to me.
A. has heard from;that
B. was heard from;that
C. has been heard from;why
D. heard from;why
[单项选择]—Where's Mary now Do you know — No, but I heard ______ in her room a few minutes ago.
[单项选择]Up to now, nothing （） Betty. I want to know the reason （） he hasn't written to me.
A. has heard from; that
B. was heard from; that
C. has been heard from; why
D. heard from; why
[单项选择]______to do now is just I am eager to know at first. But how can I get to know it
A. What, what
B. Will, what
C. Which, which
D. I will, which
[单项选择]______ to do now is just ______ I am eager to know at first. But how can I get to know it
A. What, what
B. which, what
C. That, That
D. What, which
