【单选题】听力原文: Bill is probably the world's unluckiest lover as well as one of the most persistent. His troubles began last September when he fell in love with Vivian at first sight. At first, Bill. tried trad...
A.
He fell in love with Vivian.
B.
He began to practice guitar.
C.
He was rejected by Vivian.
D.
He decided to commit suicide.
【单选题】第五套人民币各面额纸币上的隐形面额数字在票面的____________.
【单选题】He ignored the whole speech of the preacher.
【判断题】41整体消除应力热处理是防止承压类设备发生应力腐蚀的有效措施。( )
【判断题】网络信息安全的衡量标准有保密性、可用性、可审查性、可控性和完整性。
【单选题】欧洲发达国家在社会保障制度建立与运作中普遍坚持的原则是