17. Professor Smith and Professor Brown will ____ in giving the class lectures.
A. alter B. change C. alternate D. differ
alter 改變(把某物改大改小)
change 改變(強(qiáng)調(diào)結(jié)果)
from...to... 差異
convert 轉(zhuǎn)變(信仰)
converter 叛教者
differ 不同
differ from 不同
fetch 取來(lái)
ferryboat 渡船
conifer 針葉樹(shù)
cone 圓錐形,松果
conference (一般性)會(huì)議
meeting 會(huì)議(口語(yǔ))
convention 國(guó)際大會(huì),風(fēng)俗習(xí)慣
adventure 冒險(xiǎn)
summit 高峰,頂點(diǎn),峰會(huì) (七國(guó)首腦會(huì)議)
forum 論壇
seminar 學(xué)術(shù)研討會(huì)
alternate adj.輪流的,v.輪流
A.C.:A.lternating C.urrent 交流電
alternative adj.二者擇一的,n. 二中擇一,其他的
at an alternative 作為另一個(gè)選擇