西方文学近代化的标志是:()
A、西罗马帝国灭亡
B、十字军东征
C、法国大革命
D、文艺复兴
参考答案:D
The teacher often warns the boy _____ swim _____ in the sea because it's dangerous.[ ]
A. don't; alone
B. not; by himself
C. not to; by himself
D. not to; lonely
严禁用手触及()中的钢丝绳,装岩中出现故障,要立即断电、停机检查。