较高位的小息肉适用（） A.注射疗法 B.外剥内扎术 C.冷冻疗法 D.结扎法 E. 发布时间：2019-01-13 12:23 │ 来源：www.tikuol.com 题型：单项选择题 B型题 问题： 较高位的小息肉适用（）A.注射疗法B.外剥内扎术C.冷冻疗法D.结扎法E.电灼法
题型：单项选择题 B型题 Were This weekWill be Pencils 10 cents 5 cents 15 cents Pens 120 cents60 cents 79 cents Exercise books 89 cents60 cents85 centsLetter paper(100 pieces)2.59 dollars2.00 dollars2.99 dollars All story-books30 % offT-shirts4.98 dollars3.5 dollars 6.00 dollars Jackets 22.5 dollars18.00 dollars 25.99 dollars Note : one dollar = 100 cents. 阅读表格，并根据表格内容回答下列问题。 1. How much did two hundred pieces of letter paper cost last week? ______________________________________________________ 2. How much will you pay for the three exercise books next week? ______________________________________________________ 3. If a story-book costs 15.00 dollars, how much does it cost today? ______________________________________________________4. If you buy a T-shirt this week, how much more money can you save than last week? ______________________________________________________ 5. How much were two jackets last Monday? ______________________________________________________ 查看答案
题型：单项选择题 B型题 如右图甲所示，一定质量的物体置于固定粗糙斜面上。t=0时对物体施以平行于斜面向上的拉力F，t=1s时撤去拉力，斜面足够长，物体运动的部分v-t图如右图乙所示，则下列说法中正确的是（）A.t=1s物体速度反向B.t=3s时物体运动到最高点C.1~2秒内物体的加速度为0~1秒内物体的加速度的2倍D.t=3s内物体的总位移为零 查看答案
