1. __________ one time, Manchester, New Hampshire, was the home of the most productive cotton mills in the world.
(A) On
(B) At
(C) By
(D) To
2. The edible tube mushroom __________ a cushion-like, moist cap that is light brown or darkish red.
(A) which has
(B) to have
(C) having
(D) has
3. In 1961 the entertainer Chubby Checker introduced a __________ to New York's rock'n ' roll fans.
(A) new dance, the twist
(B) twist, was the new dance
(C) twist, the new dance that
(D) new dance is the twist
4. In sculpture __________"modeling" denotes a way of shaping clay, wax, or other pliable materials.
(A) to the term
(B) is termed
(C) the term
(D) to term
5. The capacity for flight __________insects from the other invertebrates.
(A) to distinguish
(B) distinguishes
(C) which distinguishes
(D) distinguishing
6. Quasars __________ emitting extremely intense radio waves and visible radiation.
(A) Star-like objects are
(B) Star-like, they are objects
(C) are star-like objects
(D) are they star-like objects
7. Mary Cassatt specialized __________ mothers with their children.
(A) painted
(B) who painted
(C) paintings
(D) in painting
8. Gorillas are quiet animals, __________ they are able to make about twenty different sounds.
(A) how
(B) in spite of
(C) because of
(D) even though
9. From 1946 to 1949, __________ William Henry Hastie served as governor of the Virgin Islands.
(A) the lawyer
(B) he was the lawyer
(C) the lawyer who
(D) was the lawyer
10. __________ struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.
(A) When is it
(B) One is
(C) When it is
(D) Is one
参考答案：
CDCAD
CBDAA
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