At minus 130℃, a living cell can be ______ for a thousand years.
A.spared | B.protected | C.preserved | D.developed |
---Excuse me, has the train from Beijing arrived yet?
--- ________, you are three quarters earlier. It's only 9 now.
A.Unconsciously | B.Instantly |
C.Absolutely | D.Actually |
The speed limit for bicycles on campus is 15 mph, ___________ otherwise posted.
A.unless | B.until |
C.since | D.however |
In manufacturing, cheaper materials are constantly being for the better, more expensive kind.
A.maintained | B.cancelled |
C.substituted | D.deposited |
I have no idea of what is in fashion nowadays, so my choice might be quite ____.
A.abundant | B.arbitrary |
C.considerate | D.aggressive |
Every time Gina catches her employees ____________ time, she reminds them that time is money.
A.to waste | B.wasting |
C.wasted | D.waste |