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【单选题】
高渗性缺水患者常见的临床表现是A.
兴奋、手足麻木
B.
头晕、视力减退
C.
淡漠、反应迟钝
D.
呆滞、嗜睡
E.
口渴、谵妄
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【简答题】用所给动词正确形式填空 小题1:They often ________ (do) their homework at school. 小题2:Look! The cat _____________ (run)up the tree. 小题3:Let’s _________ (have) supper. 小题4:Thank you very much for _____________ (give)...
【单选题】If Cunit contribution margin is $16 and fixed costs are $400,000, what is the break-even point in units?
A.
25,000
B.
250,000
C.
400,000
D.
6,400,000
【简答题】词形转换：用括号内所给词的正确形式填空。 1. I am (real) happy to tell you about my future plans. 2. I think (dive) is the most erous activity. 3. Parrot has quite a (music) voice. 4. He sits in the front of the class...
【单选题】If sales are $300,000 and sales at the break-even point are $250,000, what is the margin of safety?
A.
17%
B.
20%
C.
83%
D.
120%
【单选题】一位母亲带着5个月的孩子来就诊，母乳喂养，母亲担心母乳不足，想添加配方奶。你需要首先判断母乳是否能满足孩子的生长需求。请问你需要从哪些方面了解孩子是否母乳充足，除了
A.
孩子的生长状况，包括身长、体重、头围等
B.
孩子的尿量是否能够达到 6-7 次以上
C.
孩子是否会常常睡半小时后醒来，希望吃奶
D.
母亲是否没有涨奶的感觉
E.
婴儿是否吃奶时间很长，一直没有满足感
【单选题】What does a break-even point of 100 units mean to a firm?
A.
The firm must sell 100 units to maximize its profits.
B.
Fixed costs plus variable costs equals 100 units.
C.
By producing 100 units, the firm can ensure that variable costs completely cancel its fixed costs.
D.
If the firm sells 100 units, its total revenues will equal its total costs.
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