丝路上辉煌一时的古城楼兰现在成为一片废墟，可能与下列有关的是[ ] A．人口数量

第二节改错 （10 分）

Fang Tong is 34 years old, an actor, director and teacher of Beijing Opera Theatre. Most of her students are from other part of China and have come to Beijing at a very young age of sixteen or seventeen. He hopes create an environment for his students that it is much more relaxing than the one he used to study in. He thought that an actor should relax himself when performing. Yet his students deep respect him and he never needs to raise his voice in order to be hearing. For his opinion, actors should go on even when they feel they have made a mistake in their performances because the moment is already gone but people can never be back to it. So art is always changing and developing.

某市的红光大厦工程建设任务进行招标。有四个建筑公司投标。为简便起见，称它们为公司甲、乙、丙、丁。在标底公布以前，各公司经理分别做出猜测。甲公司经理说：“我们公司最有可能中标，其他公司不可能。”乙公司经理说：“中标的公司一定出白乙和丙两个公司之中。”丙公司经理说：“中标的若不是甲公司就是我们公司。”丁公司经理说：“如果四个公司中必有一个中标，那就非我们莫属了!”标底公开后得知，四人中只有一个人的预测成真了。 以下哪项判断最可能为真

A．甲公司经理猜对了，甲公司中标了。

B．乙公司经理猜对了，丙公司中标了。

C．乙公司和丁公司的经理都说错了。

D．甲公司和乙公司的经理都说错了。

年度终了结账时，对有余额的账户，必须编制转账凭证，并据以将其余额结转下年。( )

类似于睑板腺囊肿的眼睑肿瘤是（）

A.鳞状上皮细胞癌

B.睑板腺腺癌

C.基底细胞癌

D. * * 状瘤

E.毛细血管瘤

开始检查和保养工作前，将发动机起动开关转到（）位置并使发动机保持关闭。