A、 1969.
B、 1977.
C、 1997.
D、 2000

【正确答案】 D

【答案解析】解析：录音讲到2000年六月the department of health and human services将一种新工具公诸于世，由后文可以推断这种新工具指的就是BMI。

A、 To help answer parents" questions about children" s growth.
B、 To separate fat babies from normal ones.
C、 To revise the familiar children"s growth chart.
D、 To identify whether a person is overweight.

【正确答案】 D

【答案解析】解析：录音讲到BMI一直是用来determine if adults are overweight。

A、 It can differentiate between fat babies and thin.
B、 It can identify a child" s possibility of growing fat from babyhood.
C、 It can give parents some advice on children" s diet.
D、 It can remind parents of something they neglected in their childhood.

【正确答案】 B

【答案解析】解析：录音讲到The new BMI chart是用来assessing whether children are the right size而且可以辨别a child’s likelihood of unhealthy weight gain。

A、 When his BMI is at 23rd percentile or above.
B、 When his BMI is at 75th percentile or above.
C、 When his BMI is at 95th percentile or above.
D、 When his BMI is at 97th percentile or above.

【正确答案】 C

【答案解析】解析：由录音中的at the 95th percent tier or above，the child is identified as overweight可知选项C正确。

A、 Setting a good example for their children.
B、 Disciplining their children.
C、 Reflecting the nature of modern-day life.
D、 Changing their children" s health behavior.

【正确答案】 D

【答案解析】解析：录音最后讲到家长应当让孩子Eat low—fat diet，rich in fruits and vegetables and get regu-lar exercise而且begin the process of changing behavior at an early age，也就是改变孩子的健康习惯。