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【单选题】
设计地下室外墙时,作用在其上的土压力应采用 ( )
A.
主动土压力
B.
静止土压力
C.
极限土压力
D.
被动土压力
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【简答题】维生素C的良好食物来源为( ),长期缺乏维生素C可引起( )。
【简答题】根据要求完成句子。 1. The teacher is standing before him. (改为同义句) The teacher is standing ______ ______ ______    him. 2. He gets up before 6 o'clock . (就画线部分提问) ______ ______  dose he ______ up? 3. The boy we...
【单选题】---Look, the teacher is explaining something to her students again and again. ---________the teacher is!
A.
what patient
B.
How patient
C.
What a patient
D.
How patient a
【单选题】How _____ the teacher looks at the moment! How_____ the teacher is looking at us! [     ]
A.
angry; angrily
B.
angry; angry
C.
angrily; angrily
D.
angrily; angry
【多选题】钙在人体中的分布,钙缺乏人体出现的症状及补充钙元素的食物有哪些。
A.
在人体骨骼和牙齿中分布高达99%,仅有1%在组织及体液中。
B.
幼儿期缺钙:易患佝偻病;
C.
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D.
成年期缺钙,女性,老年人多见。骨质软化,骨质疏松,易发生骨折,主要为脊柱性、前臂和髋骨骨折。
E.
奶和奶制品是钙的主要来源。豆类、绿色蔬菜、小鱼小虾、硬果类也是钙的良好来 源。硬水中含有相当数量的钙。
【简答题】Becoming an outstanding student is not the sole responsibility of the teacher. The teacher is only the facilitator of knowledge.A. someone who assists or helps B. someone who is knowledgeable C. someo...
【简答题】维生素C的良好食物来源为果蔬,长期缺乏维生素C所引起的疾病是()。
【单选题】Which of the following is NOT implied in the passage? ______
A.
The teacher is an 'engineer' who moulds the minds as he works.
B.
Pupils are always ready to accept what you teach them.
C.
A teacher helps to create a human being.
D.
Teaching is not a kind of easy work.
【简答题】维生素C的良好食物来源为(),长期缺乏维生素C所引起的疾病是()。
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