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【简答题】
物体表面同时存在着______换热和______换热的综合热传递，称为复合换热。
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举一反三
【单选题】Her heart ______ faster when she entered the exam hall.
A.
jumped
B.
sank
C.
beat
D.
hit
【简答题】第二卷（非选择题，共60分） 六：选词填空，用短语的正确形式填空（有一个是多余的，共10小题，每题1分，共10分）。 prepare for; throw light upon; cut up; instead of; contribute to; a variety of; provide…for; give off; take advantage of; break down; all...
【单选题】When it ______to the latest researches into heart disease，I haven't the slightest idea.
A.
talks
B.
speaks
C.
tells
D.
comes
【简答题】短文填词：（共10小题，每题1分，共10分） It is said that each year China consumes 15 billion lunch boxes, _______which over a half are not qualified products. 1._______ These cheap lunch boxes pose threat to h...
【单选题】Instant Expert: Mental Health When the heart breaks down, it beats irregularly or not at all. A bone can chip or snap. But when the complex network of neurons in our brain fails to function normally, ...
A.
irregularity of heart
B.
snapped bones
C.
the malfunction of the neural network in brain
D.
the malfunction of the brain
【单选题】When the people all over the world are of one heart, ______ becomes easy.
A.
something
B.
anything
C.
nothing
D.
everything
【简答题】解下列方程（每题5分，共10分） （1） （2） （用配方法解）
【单选题】When it ______ research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.
A.
refers to
B.
related to
C.
comes to
D.
talks to
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