89 How did the researchers arrive at their conclusion?

　Some children picked from poor families took part in a reading program

　Researchers made a comparative reading experiment under two conditions.

　Some young readers developed their reading ability quickly with special help

　Some teachers tried to teach reading with the help of printed illustrations.

正确答案：B

85 Bank runs happen when

84 The phrase “sovereign defaults”(Line 6,Paragraph 1) probably means

83 What do we know about a financial crisis?

82 The passage is mainly about

81 Children can learn how to from the saving of money

80 Some believe it is not wise to pay children for their share of ordinary housework because A they will get too much allowance and waste money

79What should be considered when parents give an allowance to their children?

78 Why is allowance important for children?

77 The author writes this passage in order to

76 According to the author, which of the followingcan the human race be proud of?