That’s one of the most astonishing economic ____ since the Second World War.
A.transportation
B.transmission
C.transformation
D.conversion
A.transportation
B.transmission
C.transformation
D.conversion
190 The rule of seven used by quality control engineers states that if a run of seven or more samples lays on one side of the process mean, then the process is out of control. What is the probability that this condition is the result of random variations.
A. 14.30%
B. 3.12%
C. 2.73%
D. 1.56%
E. 0.78%
A.has lost one' s fortune
B.has lost one' s parents
C.has lost one' s beloved one
D.has made others jealous
A.to put the tea spoon on the saucer after stirring one’s tea
B.to put the napkin around one’s neck
C.to use knife to lift food to one’s mouth
D.to stick chopsticks at the center of rice
"Brain wave" machine may show ______.
A.the last one or two minutes of one's dream
B.the story which lasts for hours or even days
C.how long a dream lasts
D.the explanations of one’s dream
Constant smiling without apparent reason ______.
A.is a sign of one's friendliness
B.is a sign of one's unfriendliness
C.makes people feel happy
D.makes people feel uncomfortable
A.It's not important how she dances.
B.If she's careful, no one will notice.
C.It's too crowded to dance anyway.
D.No one knows the steps to the dance.
Too long a gaze__________ .
A.may upset people being looked at
B.shows one’s great eonfidence
C.indicates one’S interest in the talk
D.tells you,how friendly one is
Bob: Yes. Here you are, 20 dollars.
Cashier: Thanks. _________. Next one, please.
A.That’s all
B.Wait a minute
C.It’s a good deal
D.Here’s your change
He's only got one shirt because all the rest ______ being washed.
A.is to be
B.is
C.will be
D.are
A. instant
B.timely
C.punctual
D.quick