【B1】
A. night
B. day
C. morning
D. noon
A．Their only place is in the home.B．They make nearly half of the work force in the U.
A. Their only place is in the home.
B. They make nearly half of the work force in the U. S.
C. Few of them hold positions of great responsibility and authority.
D. There are still discriminations aganist women in America.
A．They felt happy and relaxed.B．They felt thirsty and sleepy.C．They felt tired and unc
A. They felt happy and relaxed.
B. They felt thirsty and sleepy.
C. They felt tired and uncomfortable.
D. They felt less tired and more energetic.
【B15】
A. brains
B. biology
C. behavior
D. benefits
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