What does a social scientist study？
A. The family.
B. Human beings as members of groups.
C. Nation.
D. Molecules and ions.
What made Andrea afraid when she looked at the old lady？
A. She had a shapeless body.
B. She had a harsh voice.
C. She wore a dirty dress.
D. She had hairy arms.
【B20】
A. develops
B. learns
C. goes
D. works
Woman: Oh, dear! I'm afraid I fail again in the national test. It's the third time I took
A. He is sure they will succeed in the next test.
B. He did no better than the woman in the test.
C. He believes she will pass the test this time.
D. He felt upset because of her failure.
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