托福考试语法真题剖析17

　　1. 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

　　2. Mary Cassatt specialized __________ mothers with their children.

　　(A) painted

　　(B) who painted

　　(C) paintings

　　(D) in painting

　　3. 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

　　4. 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

　　5. __________ 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：

　　CBDAA