【单选题】How many Earths could fit inside the Sun?
【单选题】The chances of discovering life on Neptune are about a million__________.
【判断题】王某正在匀速行车,8岁儿童李某玩弹弓,射出的石子击中王某的左眼,王某本能地捂住自己的眼睛,方向盘失去控制将正在骑自行车的刘某撞死。王某的行为是意外事件,不承担刑事责任。
【判断题】王某正在匀速行车,8岁儿童李某玩弹弓,射出的石子击中王某的左眼,王某本能的捂住自己的眼睛,方向盘失去控制将正在骑自行车的刘某撞死。王某的行为是意外事件,不承担刑事责任。
【判断题】王某正在匀速行车,8岁儿童李某玩弹弓,石子击中王的左眼,王本能地捂住自己的眼睛,方向盘失去控制将正在骑自行车的刘某撞死。王某的行为是意外事件,不承担刑事责任。
【单选题】It was estimated that the thieves had stolen _____ worth of jewelry from the shop.
【单选题】对光电效应和康普顿效应而言,以下正确的说法是
A.
两种效应中电子和光子组成的系统都服从动量守恒和能量守恒定律
D.
光电效应是吸收光子的过程,而康普顿效应则是相当于光子和电子的弹性碰撞过程
【判断题】One million bytes can be represented as 1000K bytes.
【单选题】Thirty-one million Americans are over 60 years of age, and twenty-nine million of them are healthy, busy, productive citizens. By the year 2030, one in every five people in the United States will be o...
B.
They are suffering from cancer.
C.
They cannot walk or see or hear well.
D.
They have got heart problems.