皮皮学，免费搜题
登录
搜题
【简答题】
For most __1__, non-stop Internet connectivity is the fuel of college life. __2__just toys, this instruments are powerful tools for the storage and management of virtually every kind of information. And as more people around the world _3___ this instruments, they are becoming indispensable. So students should use the __4__ of the Internet to do homework , review lecture outlines, take part in class discussions and network online with their friends. But in doing so, students must remember to regulate and ___5__their time.Too much time online can__6__ too little time in real-life studying or exercising or visiting with friends. Students should not let the Internet world on their computer screens take them away from __7__outside.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】以下关于髋膝屈曲外展实验描述正确的是( )
A.
平卧位，髋膝关节屈曲，检查者双手握住其膝，拇指在膝内侧，四指在膝外侧，正常的婴儿一般可外展80°左右。
B.
平卧位，髋膝关节屈曲，检查者双手握住其膝，拇指在膝内侧，四指在膝外侧，若外展50°～60°为阳性。
C.
平卧位，髋膝关节屈曲，检查者双手握住其膝，四指在膝内侧，拇指在膝外侧，若外展40°～50°为强阳性。
D.
平卧位，髋膝关节屈曲，检查者双手握住其膝，四指在膝内侧，拇指在膝外侧，正常的婴儿一般可外展60°左右。
【简答题】栅格系统的实现原理非常简单,仅仅是通过定义________,平分12份,再调整______,最后再结合________,制作出强大的响应式的栅格系统。Bootstrap默认的栅格系统平分为12份。
【简答题】Bootstrap 栅格系统中按钮的默认外观为【】。
相关题目：