Some people think no one can be ______ to SARS.
A、free
B、rid
C、open
D、immune
If you’re ready, we can go to meet some of our key()
A、 personal
B、 personnel
C、 person
We want to learn some English songs, () we can sing for our foreign guests.
A、so that
B、so
C、for
She can speak quite fluent English.She____.
A、must been in the U.S.A.for some time
B、must have been in the U.S.A.for some time
C、should have been in the U.S.A.for some time
D、May be in the U.S.A.for some time
Under some conditions, a single bacterium can grew _________seventeen million disease-carrying organisms in just eight hours.
A、/
B、into
C、from
D、up
A.since
B.before
C.until
D.when
A.produce
B.reproduce
C.recover
D.cultivate
We may be able to _______ you in some way if you can not finish your work on time.
A、resist
B、insist
C、assist
D、disease
________we understand what Jet Lag is, we can go some way to overcome it.
A、 Since that
B、 Despite
C、 Although
D、 Now that