2013年托福考试语法模拟试题及答案详解11

　　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