近代资本主义发展的根本原因在于（）。 A.资本原始积累 B.庄园经济的发展 C.重商

不属于建设工程勘察合同内约定由发包人负责保证勘察工作顺利开展应提供的条件是( )。

A．修好通行道路

B．接通电源水源

C．挖好排水沟渠

D．测绘地形图

脚扣是一种攀登电杆的工具，混凝土杆脚扣可用于木杆攀登，木杆脚扣也可用于攀登混凝土杆。

下列属于小儿体液分布特点的是（）

A.年龄越小体液总量占体重的百分比愈高

B.间质区的液量占体液比例较小

C.细胞内液量变化较大

D.间质区的液量较为固定

E.血浆区的液体变化较大

关于同工酶的叙述，错误的是（）。

A.具有相同的催化功能

B.具有相同的空间构象

C.分子组成不同

D.器官分布不同

E.理化性质不同

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.

If a＞0 and b＞0, is ？（）

(1) a=b-2

(2) [*]

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.