将税收分为直接税和间接税，是以( )为标准进行的分类。A．税收课税对象 B．计税依

关于松果体钙斑移位的叙述，错误的是（）

A.左右移位应在头颅正位片测量

B.间脑占位性病变可使松果体钙斑向上或向后移位

C.顶叶占位性病变可使松果体钙斑向下或向后移位

D.颞叶占位性病变可使松果体钙斑向左或向右移位

E.上下和前后移位应在头颅侧位片测量

普通粗纱机的锥轮（）提供的变速改变（）速度

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

What is the value of the greater of two numbers if one of the numbers is three times the smaller number ？（）
(1) One of the numbers is 12.
(2) The sum of the two numbers is 16.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

在汽车尾气系统中安装催化转化器，可有效降低尾气中污染物的排放，发生反应的化学方程式为2CO+2R2CO₂+N₂。则R的化学式是

A．NO

B．NO₂

C．N₂O₃

D．N₂O₅

客户的落单方式主要有（）

A.电话

B.e-mail

C.电传

D.传真