What does Tony Smith do according to this dialog.（）.

A . He is cleaning the street B . He is forty C . He is a farmer D . He is all right

A . Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN) B . Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN) C . Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN) D . Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)

A . He should start to find a new apartment right now． B . He should buy an apartment right away． C . He should start to find a new apartment in a few weeks． D . He should buy an apartment near the campus．

A、 was B、 were C、had been D、would be

A．She needs some help. B．She doesn't treat her kid well. C．She asks for leave too many times in a week. D．She is quite lazy.

A．Make up homework problems. B．Do research in the library. C．Teach an introductory economics course. D．Grade homework sets.

A．Use the bathroom B．Take another flight C．Visit the canal D．Lodge in Marina Estate

A．He will lose his chance to get a scholarship. B．He should pay a $50 late fee. C．He will have to improve his grades. D．He will have to leave the school.

A．He fixes bicycles. B．He raises sleep. C．He sells chairs. D．He's a gardener.

A．Change Mr Bright's account type B．Provide Mr Bright new checks at no cost C．Give Mr Bright another chance D．Alert Mr Bright prior to charging more fees

A．Secretary B．Manager C．General manager D．President

A．Join on a trial basis only B．Spread her payments over 24 months C．Sign up for an extended period D．Inspect the facilities in person

A．Make up homework problems. B．Do research in the library. C．Grade-homework sets.

A．Present alongside other professional authors B．Take part in one of the free workshops C．Attract the attention of book publishers D．Book a time slot on the Open Stage

A．The man's Morn works in a hospital. B．The man's Mom works in a restaurant. C．The man's Mom works at home.

A.To write a report． B.To have lunch with her． C.To have a talk with her． D.To meet the boss at the airport．

A．Being industrious on work B．Punctuality C．Being patient to do routine work D．Readiness to help others

A．He is a 63-year-old doctor studying the preventing of cancer. B．He is working at M. D. Anderson Cancer Center and taking part in the trial. C．He is wondering about taking selenium and vitamin E supplements in preventing cancer. D．His ex-brother-in-law was diagnosed to have prostate cancer.