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【单选题】
关于间接叩诊法的叙述,下列哪错误A.
左手中指第二指节紧贴于叩诊部位，其他手指稍微抬起
B.
右手指自然弯曲，以中指指端垂直叩击左手中指第二指骨的中段
C.
叩诊时应以腕关节与指掌关节的活动为主
D.
叩击动作要灵活、短促、富有弹性
E.
叩击后右手应立即抬起
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【单选题】About movie star,I like Jackie Chan most. 选出这句话的同义句。
A.
I like Jackie Chan very much.
B.
I really like Jackie Chan.
C.
My favourite movie star is Jackie Chan.
【单选题】If the demand for digital cameras increases when consumersʹ incomes rise, then digital cameras are
A.
a normal good.
B.
an inferior good.
C.
a substitute for film cameras.
D.
a complement to film cameras.
E.
made using advanced technology.
【简答题】Digital cameras usually store images in the format of______.
【单选题】We observe that the equilibrium price of digital cameras has fallen and the equilibrium quantity of digital cameras has increased. Which of the following events could be responsible for this?
A.
Technological advances in digital camera production.
B.
Consumers' preferences changed in favor of digital cameras.
C.
The price of film cameras rose.
D.
Workers who make digital cameras received a pay raise.
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