【单选题】Although he's a lawyer, he is employed ______ controlling a large business.
【简答题】My brother can speak English. (改为 否定句 ) My brother can ______ speak English.
【单选题】So far, several ships have been reported missing ______ the coast of Bermuda Island.
【单选题】So far the teachers have _____ several solutions to the problem that some students often fail to hand in their homework on time. [ ]
【简答题】He has a very manner although he’s only 12.(英译汉)
【单选题】To my surprise, my brother can speak English .
【单选题】已知函数 f(x,y) 在点 (0,0) 的某个邻域内连续, 且【图片】则
D.
根据所给条件无法判断点(0,0) 是否为f(x,y)的极值点.
【单选题】My brother can _____ a horse.
【单选题】Although he' s a lawyer, he' s ______ employed in controlling a large business.