皮皮学，免费搜题
登录
搜题
【单选题】
在α粒子散射实验中,若把α粒子换成质子,要想得到与α粒子相同的角分布,在散射物不变的条件下,则必须使:A.
质子的速度与α粒子相同；
B.
质子的能量与α粒子相同；
C.
质子的速度是α粒子的一半；
D.
质子的能量是α粒子的一半。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Mr. Robinson worked for the Indian Government because of.
A.
(A) university links.
B.
(B) government agreements.
C.
(C) company projects.
D.
(D) degree requirements.
【简答题】The government has taken measures to keep prices down.
【单选题】The opposition leaders ________ the government for not taking action sooner.
A.
warned
B.
criticized
C.
threatened
D.
urged
【单选题】Following an expansion of the money supply, a government committed to maintaining a fixed exchange rate must:
A.
accept a surplus in its current account.
B.
not use sterilized intervention.
C.
increase its level of government expenditure and autonomous investments.
D.
intervene in the foreign exchange market to sell foreign currency and buy domestic currency.
【简答题】The local government is pressed to find new places to ___________ waste.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
