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【多选题】
轻声的作用有A.
有的轻声可以区别词义
B.
有的轻声可以区别词性
C.
轻声可以增强语言的节奏感
D.
轻声音节会失去调值，读得轻而短。
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皮皮学刷刷变学霸
举一反三
【单选题】To be honest, every season of the year I do ___________watching tulips in Ma’an chi park.
A.
pay attention to
B.
play a trick on
C.
do harm to
D.
look forward to
【简答题】图为热电偶测温示意图，图中1为什么？4为什么？热电偶测温需要进行冷端温度补偿，补偿的方法有冰浴法、还有什么？补偿电桥法和补偿热电偶法；补偿电桥法是利用不平衡电桥产生的什么作为补偿热电偶因冷端温度变化引起的热电势变化值，补偿电桥通常取多少℃时处于平衡，因此仍需要对仪表进行机械调零。
【简答题】用热电偶测温时，为什么要进行冷端温度补偿？常用的冷端温度补偿方法有哪些？
【单选题】The first paragraph tells us that the author _____
A.
lost his hearing when he was a child
B.
didn’t like his brothers and sisters
C.
was born to a naturalist’s family
D.
was interested in flowers an insects in his childhood
【简答题】用热电偶测温为什么要进行冷端温度补偿?常用的冷端温度补偿方法有哪几种?
【单选题】The author's main purpose of writing this article is
A.
to challenge the idea that Tai Chi is the best exercise.
B.
to introduce Tai Chi to North Americans as a good exercise.
C.
to invite people to take part in a training course on Tai Chi.
D.
to differentiate Tai Chi from other physical exercises.
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