在水溶液中无起昙现象的是（） A.司盘80 B.吐温80 C.肥皂类 D 发布时间：2018-03-03 01:58 │ 来源：www.tikuol.com 题型：单项选择题 B1型题 问题： 在水溶液中无起昙现象的是（）A.司盘80 B.吐温80 C.肥皂类 D.氯苄烷铵 E.西土马哥
题型：单项选择题 B1型题 完形填空。 Traveling is fun because you can see how people in other parts of the world live. One thing travelersdon't often think about before 1 is how other cultures bathe. And bathrooms in many countries may be 2 from the kind you are used to. In the United States, most people take a 3 once a day in the morning. The showerhead is usuallymounted (镶嵌) on the 4 and cannot be moved. The bather slimpy 5 under the water, gets wet,scrubs (擦洗) with soap and often wash cloth, and then rinses (冲洗) off. 6 often take a bath each night and enjoy playing with small toys such as boats and rubber ducks.Many adults, especially women, enjoy a soothing (让人宽心的) bath 7 rid of stress at the end of the day. 8 is important to remember that when you take a shower or bath in the United States, you shouldbe careful to keep the water inside the bathtub or shower. Unlike bathrooms in many countries, there isno drain (排水管) in the floor. 9 water gets on the floor, it cannot go anywhere and must be 10 up with a towel or mop (拖把). It can also cause problems for the floor. So be careful. ( )1. A.to travel( )2. A.different( )3. A.shower ( )4. A.floor ( )5. A.runs ( )6. A.Adults ( )7. A.gets ( )8. A.It ( )9. A.Since ( )10. A.cleaned B.traveling B.same B.rest B.bath B.stands B.Old people B.to get B.This B.If B.to clean C.traveled C.similar C.sleep C.wall C.lies C.Children C.getting C.That C.While C.cleaning 查看答案
题型：单项选择题 B1型题 地球质量M1约是月球质量M2的81倍，在登月飞船通过月地之间，月亮和地球对它引力相等的位置时，飞船距月亮中心的距离r和距地球中心的距离R的比是（ ）A．1：27B．1：9C．1：3D．9：1 查看答案
题型：单项选择题 B1型题 阳虚发热证的特点（）A.发热欲近衣，形寒怯冷B.午后潮热或五心烦热C.发热多为低热或潮热，常随情绪波动而起伏D.低热为主，伴头晕眼花，心悸、乏力E.午后或夜间发热或身体某部位发热 查看答案