It would be _____ a risk to let the chil

一种可用微波炉加热的方便快餐食品，净含量250克，其中含面条150克、鸡块50克、卷心菜30克、鱿鱼丝20克，食品已预先烧制过，装于一次性泡沫塑料盒中。

视功能的客观检查是（）

A.体视觉

B.视觉电生理

C.视力

D.视野

E.色觉

根据《工业企业设计卫生标准》（TJ36-1979）。监测工业固体废弃物的指标共有（）。

A.9项

B.7项

C.12项

D.5项

E.15项

Questions 9-13

·You will hearfive people giving reasons why children learn their mother tongue so well.
·Before you listen, read the list of statements, five of which are summaries of what they were saying.
·Then listen carefully and match the statements (A-F) with the people who said them (9-13) respectively.
·There is one extra statement that you don’t need to use. You will hear the passage twice.
9. Maggie: ______

• A. The time of their learning the mother tongue is the most
  favorable of all.
  10. Cherry: ______
• B. Children hear their native language spoken always in its
  genuine form.
  11. Mike: ______
• C. Children have private lessons all the time to learn their mother
  tongue.
  12. Hazel: ______
• D. Children hear their native language spoken in all possible
  situations.
  13. Jody: ______
• E. Children have special teachers to teach them.
• F. Children have flexible organs and sensitive ear.

下列检测方法中，不属于无损检测的是（）。

A.拉伸试验

B.超生波探伤

C.肉眼检测

D.磁粉探伤