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【单选题】
内力和应力的关系是( )。A.
内力小于应力
B.
内力等于应力的代数和
C.
内力为矢量，应力为标量
D.
应力是分布内力的集度
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【单选题】关于碘标准溶液的叙述错误的是( )
A.
由于碘单质挥发性大，因此碘标准溶液不宜用直接法进行配制
B.
标定碘标准溶液常用的基准物是草酸钠
C.
标定碘标准溶液常用的基准物是As2O3
D.
可以用硫代硫酸钠标准溶液标定碘标准溶液
E.
配制碘溶液时应先将碘单质溶解在浓KI溶液中再进行稀释
【单选题】What effect does the imagery produce in this opening passage from George Orwell’s novel 1984? "It was a bright cold day in April, and the clocks were striking thirteen. Winston Smith, his chin nuzzled...
A.
Since the opening line is in April, this passage sets up expectations for Winston Smith to better his situation throughout the spring.
B.
The contradictory details of Winston’s building being named Victory Mansions and it smelling of boiled cabbage and old rag mats creates a feeling of unease in the reader.
C.
The fact that most of these details are unpleasant—the vile wind, the gritty dust, and old rag mats—makes the reader understand that Winston is a pessimistic man.
【简答题】(1)I'm trying to lose weight because I'm so ashamed ___ my shape. (2)I would be ashamed _______ (admit) feeling jealous. (3)He knew well he'd be ashamed of ______ (him) later. (4)It is ___ shame that ...
【单选题】Why does the man think the sun is very important for his life?A.It makes him more active,#
A.
Why does the man think the sun is very important for his life? A.It makes him more active,
B.
It allows him to think better.
C.
It gives him a feeling of comfort.
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