【判断题】从“我”与年轻人之间的对话中看,“废墟”可以象征百废待兴、渴望变革、期待新生的中国。
【单选题】磺胺类药物是酶的竞争性抑制剂,和酶的底物具有类似的结构,通过抑制酶的活性杀死细菌。 磺胺类药物的类似物是
【简答题】从“我”与年轻人之间的对话中看,“废墟”象征什么?“废墟的召唤”的具体内容是什么?其确切含义是什么?(2分)
【简答题】判断图示平面结构的静不定次数(面内受力)。 (a) 次; (b) 次; (c) 次; (d) 次。
【简答题】What was the engineers ’ primary goal? A . To develop a car superior to the initial model. B . To put super sports cars into mass production. C . To learn how to make a sports car by themselves.
【单选题】What was Dobie's initial reaction toward a raccoon coat?
A.
He liked the idea of wearing a raccoon coat.
B.
He didn't like the idea of wearing a raccoon coat.
C.
He didn't care if people were wearing it or not.
D.
He wanted to wear one, too.