If a book has seven or more new words on each page, a reader who wants to practice reading
A. will probably drop it
B. will probably read it very fast
C. may study it very carefully
D. may read it with a dictionary
查看答案
【B7】
A. whom
B. that
C. as
D. who
【B5】
A. at
B. for
C. on
D. off
The expression "books of about your level of ability..." in the first paragraph is closest
A. the books about your ability
B. the books about your height
C. the books that you could find
D. the books that you can understand
It was from the earliest time ______ men began to study the natural phenomena and heavenly
A. when
B. where
C. that
D. how
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