[单项选择]When the children were very young,______. [A] they didn't know who Father Christmas was [B] they thought their father was Father Christmas [C] they knew that Father Christmas wasn't real

[单项选择]According to the passage, when small children were asked to count a pile of red and blue pencils they______.
A. counted the number of pencils of each color
B. guessed at the total number of pencils
C. counted only the pencils of their favorite color
D. subtracted the number of red pencils from the number of blue pencils

[单项选择]When they finished playing, the children were made to ________ all the toys they had taken out.
A. put off
B. put out
C. put up
D. put away

[单项选择]When they had finished reading, the children were told to _________ all the picture books they had taken out.
A. put up
B. put off
C. put away
D. put out

[单项选择]When they had finished playing, the children were made to ______ all the toys that they had taken out.
A. put off
B. put out
C. put up
D. put away

[单项选择]The children were (surprised) when the teacher (had) them (to) close their books (unexpectedly).
A. surprised
B. had
C. to
D. unexpectedly

[单项选择]When were pulse rates taken
A. After every exercise period.
B. Every time the ratio of active riding was increased.
C. Every day.
D. After each step-test.

[单项选择] The novel ended happily, and the young couple were married in the ________
A. final
B. closing
C. end
D. conclusion

[单项选择]

In the 1960s, many young Americans were dissatisfied with American society. They wanted to end the Vietnam War and to make all the people in the U.S. equal. Some of them de tided to "drop out" of American society and form their own societies. They formed utopian communities, which they called "communes", where they could follow their philosophy of "do your own thing". A group of artists founded a commune in southern Colorado called "Drop City". Following the ideas of philosopher and architect Buckminster Fuller, they built dome- shaped house from pieces of old cars. Other groups, such as author Ken Kesey’s Merry Pranksters, the followers of San Francisco poet Steve Gaskin, and a group that called itself the Hog Farm, lived in old school buses and travelled around the United States. The Hog Farm became famous when they helped organize the Woodstock Rock Festival in 1969. Steve Gaskin’s followers tried to settle down on a farm in
A. They wanted to grow marijuana.
B. They wanted to go to the Vietnam War.
C. They were not satisfied with American society.
D. They did not want all people to be equal.

[单项选择]Sometimes very young children have trouble ______ fact from fiction and may believe that such things actually exist.
A. separating
B. having separated
C. to separate
D. for separating