______are the basic elementary sentences of the language, the stuff from which all else is
A. Simple sentences
B. Transforms
C. Kernel sentences
D. Complex sentences
查看答案
A．At twelve o'clock.B．In two hours.C．In one or two days.D．Next week.
At twelve o'clock.
B. In two hours.
C. In one or two days.
D. Next week.
Which of the following statements is true？
A. The brain of an aged person shrinks 5% every 10 years.
B. The brain of an adult person shrinks 2.5% every 10 years.
C. The cerebrospinal fluid of a person with 4 years of education may increase only slightly.
D. The cerebrospinal fluid of a person with 8 years of education may increase by 17.7 millimeters.
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