A-A+
At first the professor was talking about the
问题详情
At first, the professor was talking about the problem of education, he suddenly ______ to another topic.
A.switched
B.committed
C.favored
D.transmitted
参考答案
正确答案:A
解析:题型:词汇题。switch表示“打开”,比如:to switch the TV on开电视:to switch the radio off关收音机。还可以表示“转换,转变”,如:He switched the conversation from one subject to another.他转变话题。I used to cook on electricity, but I've switched to gas. 我过去用电烧饭,但现已换成用煤气了。commit则表示犯错误、犯罪等,比如:commit a crime, favor表示“喜欢、支持、关注”,如:favors bright colors偏爱亮色。transmit则表示“传输、传达”,如:Iron transmits heat。铁传热。