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【判断题】
维生素 E 是抗氧化性最强的维生素。A.
正确
B.
错误
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【简答题】Much ____(do) to improve the air conditions in Beijing in the past few months.
【简答题】A．Climbers develop skills useful in other activities. B．Climbers have the opportunity to be outside and enjoy the scenery. C．Climbing isn't as expensive as other sports. D．Learning to climb doesn't ta...
【单选题】下列哪项不是继发性肺结核病的特点
A.
再次感染结核杆菌引起的肺结核病
B.
病理改变和临床表现比较复杂
C.
可以再次从外源性途径感染结核杆菌致病
D.
机体对结核杆菌已有免疫反应，而超敏反应有所减弱
E.
愈合的原发性肺结核病灶内有残存的结核杆菌，当机体抵抗力降低时再度活化引起继发性肺结核病
【单选题】Beijing _____ a lot in the past ten years. Now it has become one of the biggest modern _____ in the world. [ ]
A.
changes; cities
B.
changed; city
C.
has changed; cities
D.
changed; cities
【单选题】Beijing ______a lot in the past ten years. Now it has become one of the biggest modern______ in the world.
A.
changes, cities
B.
changed, city
C.
changed, cities
D.
has changed, cities
【单选题】The film shows us ________ in Beijing in the past.
A.
what everyday life was like
B.
what every day life was like
C.
how everyday life was like
D.
how every day life like
【单选题】In the past, Beijing has hundreds of courtyards_____ the Forbidden City.
A.
around
B.
round
C.
rounded
D.
rounds
【单选题】下面关于RadioButton控件的描述,正确的是( )。
A.
RadioButton默认为选中状态
B.
RadioButton表示单选按钮
C.
RadioButton表示文本控件
D.
都不对
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