下列属于文化传播的途径的是①客家先民从中原迁到岭南 ②奥运圣火传递③当今世界频繁的经济贸易往来 ④大众传媒 A.①②④ B.②③④ C.①②③ D.①②
The girl has friends here, so she feels lonely.A．littleB．a little C．fewD．a few
普拉西坦（如图）是一种能改善记忆、抗健忘的中枢神经药。下列关于普拉西坦的说法不正确的是 A. 一氯取代物有3种 B. 二氯取代物有5种 C. 分子中有
Later they discovered, ____ was news to him, that Pamela was the headmaster’s daughter. A. that B. which C. what D. who
在FeCl3溶液中滴加无色的KSCN溶液后，有以下可逆反应存在： FeCl3+3KSCNFe(SCN)3+3KCl。已知Fe(SCN)3呈红色，则在该平衡体系 中加入少量KCl晶体后（忽略溶液体
“____” “I’m fine. And you?” A. Can I have some water? B. How are you? C. How old are you?
Jasmine Meyers had the last laugh when the ocean swallowed her SUV Monday morning and brought it up an hour later, damaged, on the beach. Meyers was staying in Campbell River’s Eagles Nest Motel
将字母“dp”放在低倍镜下观察，视野中看到的像是:（ ） A．d p B．q b C．p d D．b p
若
f(x)存在,则常数a= .