皮皮学,免费搜题
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搜题
【单选题】
木匠
A.
carter
B.
carpenter
C.
captain
D.
sailor
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举一反三
【单选题】What do many scientists worry about the disease?
A.
There is no effective way of treating it.
B.
It may spread quickly among birds and poultry.
C.
It may affect the world economy and politics.
D.
It may change to an epidemic among human beings.
【单选题】晶体管的集电结和发射结均正向偏置,则它的工作状态是( )。
A.
放大状态
B.
饱和状态
C.
损毁
D.
截止状态
【单选题】下列词语中加点的字注音不正确的一组是( )
A.
寥 廓 (kuò) 分 外(fèn) 浪 遏 飞舟(è)      挥斥方 遒 (qiú)
B.
沁 园春(qìn)      百 舸 (gě) 峥 嵘(zhēng)     风华正 茂 (mào)
C.
岁月 稠 (chóu) 苍 茫(cāng) 百 侣 (lǚ) 橘 子洲头(jú)
D.
怅 寥廓(chàng)       颓 圮 (qǐ) 沉 浮 (fú)                 激昂 慷 慨(kāng)
【单选题】晶体管的集电结反向偏置、发射结正向偏置,它的工作状态是( B ),若集电结和发射结都反向偏置,它的工作状态是( A ),若集电结和发射结均正向偏置,则它的工作状态是( )。
A.
截止
B.
放大
C.
饱和
D.
损毁
【单选题】Scientists Worry Machines May Outsmart Man A robot that can open doors and find electrical outlets to recharge itself. Computer viruses that no one can stop. 'Predator' fighters, which, though still c...
A.
robots for civil use
B.
military computers
C.
artificial intelligence
D.
biochemical weapons
【单选题】如图是哪种东西的广告?
A.
儿童营养食品广告
B.
关爱儿童公益广告
C.
保险广告
D.
新型车用千斤顶广告
【单选题】晶体管的集电结和发射结均正向偏置,则它的工作状态是( )。
A.
截止
B.
放大
C.
饱和
D.
损毁
【单选题】( )能激励美容师自觉完成职业道德的义务和责任。
A.
行业法规
B.
单位规章制度
C.
国家法律
D.
职业良心
【单选题】Which of these is NOT mentioned as a worry of some scientists?
A.
Genetically engineered crops are being developed too quickly.
B.
Something could go wrong when moving genes across  dramatically different species.
C.
Genetically engineered crops are being released before they’ve  been adequately tested.
D.
Genetically engineered species will pollute water and  harm animals.
【单选题】下列词语中加点的字注音不正确的一组是( )
A.
廖廓( ku ò) 分 外( f è n ) 浪遏飞舟(è) 挥斥方遒( qi ú)
B.
沁 园春( q ì n ) 百舸( g ě) 峥 嵘( zh ē ng ) 风华正茂( m à o )
C.
岁月稠( ch ó u ) 苍 茫( c ā ng ) 百侣( l ǚ) 橘子洲头( j ú)
D.
怅 寥廓( ch à ng ) 颓圮( q ǐ) 沉浮( f ú) 激昂慷慨( k ā ng )
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