下列各项中，符合城镇土地使用税征税规定的有（）。 A.核电站在基建期内的应税土地减半

如果一个正多边形绕它的中心旋转60°才和原来的图形重合，那么这个多边形是____________。

将下面的语句依次填入下面横线上，使上下文衔接恰当。（5分）

在傍晚，          ，河面上的水气冉冉而上，          ， 这时候的辽河真是具有无法比拟的绝妙色调。我站在轮船上，无意中举目瞭望着那           的河面，          ， 在黑糊糊的房子上空，看到           ，我禁不住流下泪水。

① 夜幕徐徐降临                    ② 夜幕渐合

③ 晚霞余晖未尽                    ④ 一轮明月徐生

⑤ 在那深暗的绿波远处

答案：                                                    （正确顺序）

心跳呼吸停止后，最容易出现的继发性病理改变是（）

A.心肌损伤

B.肾小管坏死

C.脑缺血缺氧性改变

D.肺水肿

E.肝坏死

Theories of History
Ⅰ. How much we know about history
A. Written records exist for only a fraction of man’s time
B. The accuracy of these records is often (1) ,(1) ______
and details in them often needs improvement.
Ⅱ. Reconstruction of history before writing
A. being difficult because of the (2) of history to us (2) ______
B. the most that we can do is: use (3) (3) ______
and the knowledge of the habits of animals.
Ⅲ. Theories about history
A. Objective: to (4) the beginning and (4) ______
deduce the end of man’s story.
B. One theory believes that man continually (5) (5) ______
— (6) must be more intelligent and civilized(6) ______
than his ancestors.
—Human race will evolve into a race of (7) (7) ______
C. The second theory holds the man’s history is like a (8) (8) ______
of development.
—Modern man is not the most superior.
—Modem man may be inferior to members of (9) (9) ______
D. The third theory: Human societies repeat a cycle of stages,
but overall progress is (10) in the long historical perspective.(10) ______

变压器只能用于改变电压，不能用来改变电流。（）