单项选择题

What kind of disease does the VDTs cause（）

A．Eye problems.
B．Muscle problems.
C．Health disorders.
D．Heart troubl

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热门试题

单项选择题

According to the passage, we know it's better for the pregnant women （）

A．to do other work than on VDTs
B．to change their computers if necessary
C．to go back home to have a rest
D．to have their health tested

单项选择题

Which of the following statement is false（）

A．Study shows working with VDTs would cause miscarries (流产）.
B．Study shows even low levels of radiation is harmful.
C．Study shows working conditions rather than VDTs have the pregnancy ended unexpectedly.
D．Study shows stopping working with VDTs is the best way to protect women's healt