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Since Tom ___downloaded a virus into his computer, he can not open the file now．

       A．readily               B．horribly             C．a(chǎn)ccidentally        D．irregularly

Seeing that the drowning child was struggling in the icy water, the soldier dived into the river without hesitation, ___ his own safety．

       A．regardless of      B．in terms of          C．in face of          D．because of

If you just spend your time___ gains and losses, maybe you'll get nothing in the end．

       A．checking         B．weighing            C．balancing          D．examining

According to the newly-made traffic regulation, whoever drives through red light       be fined at least 200 dollars．

       A．shall                B．may                 C．would           D．should

He is very popular among his students as he always tries to make them ____ in his lectures．

       A．interested              B．interesting            C．interest                D．to interest

I'm afraid I'm not ___ to help with the show, for I am fully occupied with my own project．

       A．dependable            B．convenient          C．a(chǎn)vailable           D．a(chǎn)ccessible

—Should I lock the lab before I go home?

— 　．I'll check it myself later．

　　　 A．Go ahead　　　 　 B．No problem　 　　 C．No hurry　　　 D．Don't bother

Thanks to our ___ schedule, we got our task accomplished ahead of time．

       A．a(chǎn)ctive                 B．flexible              C．positive                 D．fixed

—Have you heard that he was admitted into Beijing University?

—Is that true? And I'm glad that his efforts at last ___．

A．took off B．paid off　　 　　　　 C．turned out　　　 D．paid for

With the rapid development of medical science, we ___ more new drugs used in the treatment of cancer．

       A．see                 B．had seen             C．will be seeing       D．would see