All the following were written by Ernest Hemingway EXCEPT
A. The Sun Also Rises.
B. The Old Man and the Sea.
C. A Farewell to Arms.
D. In a Station of the Metro.
混凝土不是弹性体材料，而是一种弹塑性材料。( )
A. 对
B. 错
青霉素抗菌作用的机制是
A. 干扰细菌细胞壁的合成
B. 干扰细菌细胞蛋白质的合成
C. 破坏细菌细胞膜通透性
D. 破坏细菌细胞核酸的代谢
E. 干扰细菌细胞器的合成
After the governor's third trip to overseas, voters complained that he was paying too little attention to ______ affairs.
A. domestic
B. intellectual
C. foreign
D. professional
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