主页
学科
搜索
账户
常见问题
当前学科:中医外科学综合复习题
题目:
单选
石瘿的好发年龄为()
A . A.儿童
B . B.青春期
C . C.20~30岁
D . D.30~40岁
E . E.40岁以上
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
火灾应急措施表中未包括()。
“五进五接”工程的内容包括()
在机械采油法中,()最为普遍。
蒸汽锅炉发生超压事故时,()温度升高。
在翼板背面两道焊缝的对应位置作线状加热时,加热的宽度应()焊角的宽度。
管线停水时应做哪些工作?
全身性皮肤瘙痒中,下列说法恰当的是()。
The word horsepower(马力) was first used two hundred years ago. (200年前“马力”这个词首次使用。) James Watt had made the first widely used steam(蒸气)engine. He had no way of tellingpeople exactly how powerful it was, for at that time there were no units for measuring (测量)power.Watt decided to find out how much work one strong horse could do in one minute. He called thatunit one horsepower. With this unit he could measure the work his steam engine could do.He discovered that a horse could lift a 3,300-pound weight 10 feet into the air in one minute. Hisengine could lift a 3,300-pound weight 100 feet in one minute.Because his engine did ten times as much work as the horse, Watt called it a ten horsepowerengine.6.The passagesays that Watt made the first widely used steam engine.A.TB.F7.Watt made up a unit of measurement based on the strength of a horse.A.TB.F8.Watt wanted to find a way to lift a 3300-pound weight.A.TB.F9.One horsepower would equal the weight a horse could lift.A.TB.F10.The title of the passageis "How the Term Horsepower Came into Being".A.TB.F
()以下谁不同意“俺只念木石前盟”,这前盟是指“神瑛侍者和绛珠仙草”?
如果一个人面对困难只会(),那他必将一事无成。