Whencomestoresearchintoheartdi

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When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.

A．it

B．this

C．that

D．which

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Song Zuying became the first Chinese singer _______ a solo concert at the Vienna Golden Hall , ______ an audience of more than 1,000.

A．holding ; to attract	B．to be held ; attracted
C．hold; attract	D．to hold ; attracting

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As nobody here knows what’s wrong with the machine, we must send for an engineer to _______ the problem.

A．raise

B．face

C．present

D．handle

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--- What are the workers talking about ?
--- They are discussing the idea the old worker ______ at the meeting yesterday.

A．put forward	B．came up
C．set off	D．brought out

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He has drunk too much tonight. We should try to ________ him from driving back home.

A．ban

B．forbid

C．discourage

D．promote

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--- How can I use iPhone 4S ?
--- Just refer to the _______.

A．expressions	B．explanations
C．preparations	D．directions

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