Jack _____ I borrowed the MP3 is over there. A. who B. whom C. from him D. from whom
__________ you work harder than before, you will pass this module exam. A. As long as B. As soon as C. As if D
如图所示的电路中，电源电压不变，R1为定值电阻，电键S闭合后，滑动变阻器滑片向左滑动时，电流表的示数 （19） ，电压表示数与电流表示数之比
对于任意不相等的两个数a，b，定义一种运算※如下：a※b=， 如3※2=，那么6※3= 。
假如你已经去过出土我国最早人类的遗址。那么，你知道它位于哪个省吗? A．广东 B．湖南 C．云南 D．陕西
科学家常用中子轰击原子核，这是因为中子 （ ）A．质量较小 B．质量较大 C．能量较大 D．显电中性
In the good care of the nurses, the boy is ______ recovering from his heart operation. A. quietly B. actually C. practically D. gradually
