調(diào)查顯示，近幾年我國中學(xué)生的健康狀況不容樂觀,近視眼、肥胖和體質(zhì)弱等情況比較普遍。請分析造成此狀況的原因及其危害，并提出改進(jìn)措施。

In China,        car is becoming         popular means of transportation.

A．a(chǎn); the                  B．a(chǎn); 不填                  C．the; the                 D．the; a

—Where did you get your laptop? I’d like to get one.

—Well, at      shop on Avenue 48, but I can’t say exactly.

A．some         B．a(chǎn)ny          C．each          D．every

I was halfway back to the hospital where the doctor was working      Susan caught up with me.

A．when          B．while            C．until           D．though

Because of the Russian gas limit to Europe, attempts       to use botanical fuel as a source of power.

A．have made           B．having made          C．a(chǎn)re being made          D．will be making

Carbon dioxide      from burning fuels is the most common of the so – called greenhouse gases.

A．producing                                         B．having been produced   

C．to be produced                       D．produced

According to news reports personal         of guns in the USA causes a lot of trouble.

A．wealth                 B．possession                C．matter                 D．problem

—Has Mr. Tom White arrived?

—Yes, already.          he wait outside or just come in?

A．Shall           B．May      C．Could            D．Must

—When will you be through with your work, Jones?

—        ? My boss usually finds something for me to do at the last minute.

A．Who knows                                     B．Would you help me        

C．I beg your pardon                     D．Anything the matter

—Do you like the place of interest?

—On the contrary, it’s the        place that I want to visit.

A．worst          B．last         C．best        D．latest