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【多选题】
智力是有局限性的,它无法解决的要素包括()。
A.
素质
B.
身份
C.
悟性
D.
表现
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举一反三
【单选题】色光的三原色是(  )
A.
红、绿、蓝三种
B.
红、黄、蓝三种
C.
红、绿、黄三种
D.
绿、黄、蓝三种
【单选题】下列与光现象有关的说法中错误的是( ) A .手影是根据光的直线传播形成的 B .老花镜的镜片是用凸透镜制成的 C .照相机利用了凸透镜能成倒立缩小的虚像的原理 D .色光的三原色是红、绿、蓝
A.
B.
C.
D.
D
【单选题】血液循环中实现物质交换的是:
A.
微动脉
B.
真毛细血管网
C.
动静脉吻合支
D.
微静脉
E.
毛细血管前括约肌
【单选题】Paul was feeling a bit ____ then, for he had no friends.
A.
active
B.
lone
C.
lonely
D.
selfish
【简答题】如图(a)所示电路,已知U s =2V,R 1 =R 2 =2Ω,非线性电阻的伏安特性为i=f(u)=2u 2 (u>0)。
【单选题】He was by nature a sociable, chatty man and he had reckoned that his action would () produce conversation
A.
infallibly
B.
bounced
C.
concentrate
D.
acclamation
【单选题】关于光现象,下列说法中不正确的是(  )
A.
漫反射时反射角小于入射角
B.
色光的三原色是红、绿、蓝
C.
平面镜所成的像是虚像
D.
用玻璃三棱镜可使太阳光发生色散
【单选题】B2U7conversation 2-1
A.
B.
C.
D.
D
【单选题】Passage two ( 1 ) PAUL was dissatisfied with himself and with everything. The deepest of his love belonged to his mother. When he felt he had hurt her, or wounded his love for her, he could not bear i...
A.
. indifferent
B.
. desperate
C.
pessimistic
D.
ambiguous
【简答题】Paul was feeling a bit ____ then, for he had no friends.A. active B. lone C. lonely D. selfish
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