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【简答题】
在电动机控制接线中,主电路中装有熔断器,为什么还要加装热继电器?它们各起何作用,能否互相代替?而在电热及照明线路中,为什么只装熔断器而不装热继电器?
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【简答题】What is the usual word order in English sentences? What are the nine types of inversion in English sentences?
【单选题】Li Ming went to London last year, which was the first time that he _____ abroad. [     ]
A.
had travelled
B.
travelled
C.
was travelling
D.
would travel
【简答题】In China, what is the difference in the order of Arabic numbers for expressing the day, the month and the year? Can the difference cause misunderstanding or trouble?
【单选题】关于上颌尖牙唇面描述错误的是
A.
似圆五边形,颈缘呈弧形
B.
近中斜缘长,远中斜缘短
C.
唇轴嵴将唇面分为两个斜面
D.
两斜面上各有一条纵行发育沟
【单选题】Which was the first steamship____crossed the Atlantic?
A.
which
B.
that
C.
what
D.
it
【多选题】关于上颌第一磨牙的描述错误的是     
A.
牙合面上可看到四个牙尖
B.
牙合面上有五个牙尖
C.
没有第五牙尖
D.
牙合面上可看到斜嵴
【简答题】What is the right order in which mosquitoes grow? a. mosquitoes pull themselves out of the pupas and fly away. b. The larvae change into creatures called pupas. c. The insect leaves the eggs in ...
【单选题】9岁,女孩,5天前突然右髋疼痛,并有高热。体温39.5℃,脉搏110次/分,白细胞22×10/L。中性粒细胞98%,血沉30mm/h。右髋关节肿胀,不敢活动,主要考虑()。
A.
急性化脓性关节炎
B.
急性风湿性关节炎
C.
类风湿性关节炎
D.
髋周软组织炎
E.
髋关节结核
【单选题】9岁,女孩,5天前突然右髋疼痛,并有高热。体温39.5℃,脉搏110次/分,白细胞22×10/L。中性粒细胞98%,血沉30mm/第一小时末。右髋关节肿胀,不敢活动,主要考虑()
A.
急性化脓性关节炎
B.
急性风湿性关节炎
C.
类风湿性关节炎
D.
髋周软组织炎
E.
髋关节结核
【单选题】Which was the first country to give all women the right to vote in public elections? Was it...
A.
Finland
B.
New Zealand
C.
The US
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