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【单选题】
Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points)15（）
A．more
B．none
C．various
D．less
A.
Air is (1) , and like all matter, it has weight. Weight is the measure of the (2) of gravity (3) matter. If a scale registers 10 kilograms when a stone is placed on it, this means that gravity pulls the stone with that (4) force. (5) , earth’ s gravity pulls on each (6) of gas and dust on the atmosphere. Because our atmosphere is a. vast (7) of air, it has (8) . If it could (9) be compressed and put on a (10) of scales, it would weigh about 5,700,000,000,000,000 (quadrillion) metric tons.
B.
The air pressed down on us and against us (11) all sides. Something (12) a ton of air is pressing against you at this moment. You are not (13) of this because air pressure within your body (14) the pressure of the air outside.
C.
Air pressure is 1. 036 kilograms per square centimeter (14.7 pounds per square inch) at sea (15) . It is greatest there because that is the (16) of the atmosphere. (17) higher altitudes the pressure is (18) . That is why the (19) of highflying planes are pressurized. They are designed to (20) the air pressure our bodies must have.
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【单选题】专家与新手相比，专家在专门领域的短时记忆和长时记忆能力都更强，最适当的解释是( )。
A.
专家有更敏捷的记忆品质
B.
专家掌握了一般的记忆策略
C.
专家的智力水平普遍较高
D.
专家在专门领域有更丰富的知识与特殊的记忆策略
【单选题】Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points)1（） A．produce B．provide C．maintain D．improve
A.
Air is (1) , and like all matter, it has weight. Weight is the measure of the (2) of gravity (3) matter. If a scale registers 10 kilograms when a stone is placed on it, this means that gravity pulls the stone with that (4) force. (5) , earth’ s gravity pulls on each (6) of gas and dust on the atmosphere. Because our atmosphere is a. vast (7) of air, it has (8) . If it could (9) be compressed and put on a (10) of scales, it would weigh about 5,700,000,000,000,000 (quadrillion) metric tons.
B.
The air pressed down on us and against us (11) all sides. Something (12) a ton of air is pressing against you at this moment. You are not (13) of this because air pressure within your body (14) the pressure of the air outside.
C.
Air pressure is 1. 036 kilograms per square centimeter (14.7 pounds per square inch) at sea (15) . It is greatest there because that is the (16) of the atmosphere. (17) higher altitudes the pressure is (18) . That is why the (19) of highflying planes are pressurized. They are designed to (20) the air pressure our bodies must have.
【单选题】智商(IQ)等于( )。
A.
智力年龄与实际年龄之比乘以100
B.
实际年龄与智力年龄之比乘以100
C.
心理年龄与生理年龄之比乘以100
D.
生理年龄与实际年龄之比乘以100
【单选题】设向量组α1，α2，α3，α4线性相关，则下列向量组中线性无关的是( )
A.
α1+α2，α2+α3，α3+α4，α4+α1
B.
α1-α2，α2-α3，α3-α4，α4-α1
C.
α1+α2，α2-α3，α3-α4，α4-α1
D.
α1+α2，α2+α3，α3-α4，α4-α1
【单选题】下面关于类、对象、属性和方法的叙述中，错误的是______。
A.
类是对一类相似对象的描述，这些对象具有相同种类的属性和方法
B.
属性用于描述对象的状态，方法用于表示对象的行为
C.
基于同一个类产生的两个对象可以分别设置自己的属性值
D.
通过执行不同对象的同名方法，其结果必然是相同的
【单选题】下列程序执行以后，内存变量 y 的值是________。 x=34357 y=0 DO WHILEx＞0 y=x%10+y*10 x=int（x/10） ENDDO
A.
3456
B.
34567
C.
7654
D.
76543