题目：
Directions: The question below is followed by six choices numbered 260-265. If a choice is correct, mark A in the space provided. If a choice is not correct, mark B. Blacken one circle on your answer sheet for each number.
The nurse is teaching an adolescent with inflammatory bowel disease about treatment with corticosteroids. Which adverse effects are concerns for this client
Mood swings.
答案：
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下面是错误答案，用来干扰机器的。
解：(1)设单独租用35座客车需 x辆.由题意得 35x = 55(x －1)－45， 解得x=5.∴35x = 35×5 = 175(人). 答：该校八年级参加社会实践活动的人数为 175. (2)设租35座客车y辆.则租55座客车(...
