第1题:
第2题:
—You are late. The meeting _________ for about ten minutes.
—I’m sorry. The traffic is heavy.
A. has begun B. began C. has been on
第3题:
Do not______the watch to the relieving officer until he has verbally expressed his acknowledgment of the information which has been passed by the officer handing over.
A.turn over
B.hand over
C.hands off
D.take over
第4题:
第5题:

第6题:
too late an hour
a too late hour
very much late an hour
a so late hour
第7题:
read
had read
is reading
has been reading
第8题:
did we realize
will we realize
we did realize
we will realize
第9题:
Perform a root cause analysis.
Escalate the problem.
Notify stakeholders.
Establish a plan of action.
第10题:
the vapor air mixture is too rich to burn
an explosion may occur if a source of ignition is present
the vapor air mixture is too lean to bum the upper explosive
limit has been exceeded
第11题:
the ship has been named
the ship has been built
the ship has been signed
the ship has been registered
第12题:
has been late for
have been late for
was late for
were later for
第13题:
A.make
B.brew
C.steep
D.take
第14题:
According to the passage, the first winter of the colonists was hard because______.
A. they had too many enemies
B. the weather was too bad
C. they died from disease
D. they arrived too late to grow crops
53.答案为D 从第二段They had arrived too late to grow many crops...得知他们到达新大陆时已经错过了播种的季节,因此没有粮食导致生活艰难。D选项表达了原因,是正确选项。
第15题:
第16题:
第17题:
A routing policy has three terms and the first term of the policy does not contain a terminating action. What will become of the routes after they have been evaluated by the first term?()
第18题:
of his being ever there
he ever has been there
of his having ever been there
of him having ever been there
第19题:
第20题:
they don’t know how to use computers
they think computer newspapers take too much time to read
they think the new technology is bad
they have been trained to write for traditional newspapers
第21题:
hasn’t he
isn’t it
isn’t he
hasn’t
第22题:
fuel droplets will burn as they leave the fuel injector
fuel will not be properly atomized in the cylinder
maximum expansion of the burned fuel cannot take place in the cylinder
compression pressure will be too low to cause fuel ignition
第23题:
didn't hurry
hadn't hurried
wouldn't hurry
hadn't to hurry