Dogshaveaverygoodofsmellandare

Dogs have a very good ___________ of smell and are often used to search for survivors in an earthquake.

A．sense

B．view

C．means

D．idea

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Wu Juping, ______ the most beautiful mother, is also popular with foreigners for her saving the baby _________ off the high building.

A．honored; falling

B．honoring; falling

C．honored; fallen

D．honoring; fallen

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__________ to the left at the crossroads, and you will see the railway station on your right.

A．Turning

B．If you turn

C．Turn

D．Having turned

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He got up late and hurried to his office, ______ the breakfast untouched.

A．left

B．to leave

C．leaving

D．having left

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Unfortunately, the research was limited __________ increasing economic profits, _________ protecting the environment.

A．to; other than

B．by; rather than

C．to; rather than

D．by; more than

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The speech ____________ by Professor Smith was so interesting that the students talked about it all that day.

A．to be delivered

B．to be given

C．being delivered

D．delivered

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