合成废锅中电导高通常采用间断排污的方法调节。
参考答案:错
—This pair of shoes _______ belong to Jack. He likes this kind of shoes very much.
—It ______ be his. It's too large for him. [ ]
A. can; can' t
B. may; needn't
C. must; mustn't
D. must; can' t
《论辅臣科臣疏》是汤显祖给皇帝上的一道书。