13. The foreman(工头) beat him _____ , and the other workers were very angry with him. A. red-blooded B. black and white C. red-handed
一个25kg的小孩从高度为3.0m的滑梯顶端由静止开始滑下，滑到底端时的速度为2.0m／s。取g＝10m／s2，关于力对小孩做的功，以下结果正确的是A．合外力做
下图为长江全年补给水源示意图，回答22～23题。 22．读图判断长江补给水源 A．b是雨水补给，a是冰雪融水补给 B．a是地下水补给，c是冰雪融水补
医学研究表明，大多数成年人的身体健康与其血液pH有关，如下图所示（ ） 人体血液pH与健康的关系 A．pH在7.35和7.45间的任何变动均属于量变 B．pH在6.
根据所给汉语意思，用单词或短语完成下列英语句子。1. 早起锻炼，有益健康。It’s good for your health to early and exercise.2. 打雷的时候不要站在树下。W
下图表示人体肝细胞内的某种生化反应，有关叙述正确的是() A．同一个体的心肌细胞中无指导甲合成的遗传信息
- Mum, ___________ is my watch? - Look, it’s on your bed. A. what B. where C. how
Maxwell had not held a steady job in almost two years. Today was a big day, because he was going to a job interview that he felt good about. The secretary he had talked to on the phone sounded frien
