| Trees should only be pruned (修剪) when
there is a good reason for doing so. Many gardeners believe that more damage
results from doing it unnecessarily than from leaving the tree to grow in its
own way. First, pruning may be done to make sure that trees have a desired shape. The object may be to get a tree of the right height, and to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut out diseased or dead wood, or branches that are rubbing against each other and thus causing wounds. A tree may grow healthier by removing the branches that are locking up the centre and so preventing the free movement of air. One result of pruning is that an open wound is left on the tree and this provides an easy entry (进入) f A. damage the tree B. heal itself C. cause the disease D. give the tree a desired shape [单项选择]A mother brings her 2-year-old adopted Korean child to the clinic for an initial checkup. The child has been living with the adopted family for several weeks. The nurse notes an irregular area of deep blue pigment on the child’s buttocks extending into the sacral area. What should the nurse do（ ）
A. Ask the mother in private how the bruise occurred. B. Notify social services of a case of possible child abuse. C. Question the mother about the family’s discipline style. D. Do nothing concerning this finding. [多选题]煤矿的“一通三防”内容包括( )。
A.防水 B.通风 C.防瓦斯 D.防火 [单项选择]目前疼痛临床中臭氧主要用于治疗下列哪种疾病？（）
A. 骨性膝关节炎 B. 颈椎间盘突出症 C. 肌肉筋膜疼痛综合征 D. 腰椎间盘突出症 E. 癌痛 [单项选择]法国葡萄酒的等级是依据（）划分的。
A. 年份 B. 地区管制中的具体产地 C. 葡萄的采集时间 D. 陈酿时间长短 [名词解释]变动成本计价法
[单选题]在断层或裂隙处码木垛时,木垛必须架设在断层或裂隙的( )。
A.正上方 B.正下方 C.一边 D.两边 [填空题]腹膜分为（）和（）两层，其间的裂隙称为（）。
[单项选择]Which of the following is not hazardous to our health
A. School. B. Clean house. C. The Environmental Protection Agency’s headquarters. D. None of the above. [单选题]叶某，男，37岁。因反复头痛，面部、双手肌肉抽搐1个月入院。身体评估:体温36.5℃，脉搏87次1分，颈无抵抗，全身皮肤可触及多个大小约1.0cmx1.2cm结节，无痛。Kernig征、Brudzinski征均为阴性，血常规:WBC5.3x109/L，N67%。脑脊液:压力165mmH₂O，细胞数8x109/L，蛋白质0.04g/L，糖3.2mmol/L，氯化物96mmol/L.本例治疗最为重要的药物是 ( )
A. 吡喹酮 B. 青霉素加置重 C. 20%甘露醇 D. 苯妥英钠 E. 地塞米松 我来回答: 提交
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