温室依温度的高低分为：（）等四类。

Calculator is (66) for performing arithmetic operations, but that requires human intervention to alter its stored program, if any, and to initiate each operation or sequence of operations. A calculator performs some of the functions of a computer, but usually operates only with frequent human intervention.

Microcomputer’s processing unit consists of one or more microprocessors, and includes storage and input-output (67) . Personal computer primarily intended for (68) use by an individual. (69) computer can be hand-carried for use in more than one location. Minicomputer is functionally intermediate between a microcomputer and a mainframe. And supercomputer has the highest processing speeds available at a given time for (70) scientific and engineering problems.

（68）处填（）。

A．independent

B．stand-alone

C．unique

D．autonomous

平行四边形两个顶点坐标分别为（-3，0），（1，0），第3个顶点在y轴上，且与x轴的距离为3个单位长度.求第4个顶点的坐标.

腰椎间盘突出症患者，小腿前外侧感觉减退，跷无力，膝跟腱反射正常。判断病损的椎间盘为（）

A.L₁～L₂

B.L₂～L₃

C.L₃～L₄

D.L₄～L₅

E.L₅～S₁

2001年7月4日，陈某在路旁休息时看见东西两边各有快速汽车开来。而小孩还在路中I司埋头玩耍。两辆车马上就要相撞，陈某疾步奔到小孩跟前，一左一右把两男孩都推进路边的小水沟里，吉普车也在此刻被黄河牌汽车撞翻。一个男孩被推倒时，头碰到了水沟里的一块石头上。经诊断，该男孩得了严重的脑震荡，住院治疗后，仍留下后遗症。对于陈某的行为，说法正确的是：

A．陈某的行为成立紧急避险

B．陈某的行为属于避险过当

C．陈某的行为成立推定的被害人承诺

D．陈某的行为属于偶然避险

收入类账户的借方登记（）。

A.负债增加

B.收入增加

C.收入转销

D.费用减少