What is the passage mainly about
A. The significant role family plays in the children's academic achievements.
B. The difference between the poor families and the rich ones.
C. Parents'influence on children's development.
D. The research done by the Reader's Digest.
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下列物质中能够形成食盐苦味的是______。
A. 硫酸镁
B. 氯化钾
C. 氯化钠
D. 碘化物
The phrase "to the same effect" ( Line 5, Para.3 ) most probably means "which _______.
A. are of the similar meaning
B. have the same purpose
C. must be put into effect
D. lead to the same result
The ball going into the net ______.
A. was fisted by Maradona's left arm
B. was beaten by Maradona's rlgbt elbow
C. was flipped by Maradona's fingers
D. was pushed by Maradona's left hand
The article is most possibly taken from ______.
A. an encyclopedia,
B. a report in a newspaper.
C. a periodical on terminology standardization.
D. a policemen guide.
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