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【单选题】
急性毒性试验中最常用的染毒途径( )A.
灌胃染毒
B.
经呼吸道染毒
C.
经皮肤染毒
D.
经注射途径染毒
E.
以上都不对
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举一反三
【单选题】The three men tried many times to sneak across the border into the neighbouring country, ______ by the police each time.
A.
had been captured
B.
being always captured
C.
only to be captured
D.
unfortunately captured
【单选题】Police and firefighters across the country were suddenly elevated in esteem .
A.
Police and firefighters all over the country were suddenly more confident about themselves after September 11.
B.
Police and firefighters were suddenly aware of the importance of their own jobs after September 11.
C.
September 11 enhanced the self-image of police and firefighters across the country.
D.
After September 11 , police and firefighters all over the country gained more respect from the public .
【简答题】The present sales network that has spread across the country is mainly run by ______.
【单选题】As the clock ________ midnight, cinemas across the country screened the film, _________ China one of the first countries in the world to show it.
A.
knocked; making
B.
hit; made
C.
beat; which made
D.
struck; making
【单选题】The radio trumpeted the presidential ______ across the country.
A.
champion
B.
champagne
C.
campaign
D.
chamber
【单选题】In China, tobacco manufacturers are ( ) across the country and are highly regional. 在中国，烟草制造商分散遍布全国并且有明显的地域性。
A.
scattering
B.
shatter
C.
scattered
D.
scatty
【简答题】Shoppers shop for products and services across the country and around the world, they use______, using a computer.
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