下列有关神经系统结构、功能的表述中，正确的是[ ] A．人类大脑皮层的S区受损时

若有以下程序：
#include＜iostream＞
using namespace std;
class data

public:
int x;
data(int x)

data::x=x;

class A
private:
data dl;
public:
A(int x): dl(x)
void dispaO
cout＜＜dl.x＜＜",";

;
class B: public A

private:
data d2;
public:
B(int x):A(x-1),d2(x)
void dispb()

cout＜＜d2.x＜＜endl;

;
class C: public B

public:
C(int x):B(x-1)
void disp0

dispa();
dispb();

;
int main()

C obj(5);
obj.disp();
return 0;

程序执行后的输出结果是( )。

A．5,5

B．4,5

C．3,4

D．4,3

在行为改变外因中，不属于社会环境的内容是（）。

A.文化与教育

B.法律与法规

C.社会保障

D.技术与能力

E.经济状况

侵蚀性葡萄胎与绒毛膜癌均可发生于（）

A.自然流产后

B.人工流产后

C.输卵管妊娠后

D.葡萄胎排空后

E.足月分娩后

计算题

（1）n（n+5）-（n-3）（n+2）

（2）（x+y+1）（x+y-1）

The following questions present a sentence, part of which or all of which is underlined. Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard written English; that is, pay attention to grammar, choice of words, and sentence construction. Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error.

The rising of the rate of tardiness among MegaTech employees has generated concern among management that the employees are not sufficiently focused on increasing shareholder value.（）

A. The rising of the rate

B. Rising rates

C. The rising rate

D. Because of the rising rate

E. Because the rising rate