对湿温病的发展变化，下列哪项提法欠妥（） A.初起湿中蕴热，卫气同病 B.病变以脾胃

—I’m sorry I forget to bring your e-dictionary?

—That’s all right. _______.

A. Don’t mention it

B. You are welcome

C. Think nothing of it

D It’s nothing serious

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (71) of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each (72) that it must meet. The starting point is usually a set of high-level requirements from the (73) that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and the defines (74) showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR) .
Following the SCR, the team derives (75) requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis, the temn specifies the software functions and algorithms needed to satisfy each detailed requirements.

A．criterion

B．standard

C．model

D．system

萜类化合物的生物合成前体是（）

A.异戊二烯

B.异戊二酸

C.甲戊二羟酸

D.桂皮酸

E.莽草酸

个人卡

下列程序的运行结果是______。
#include＜stdio.h＞
main()
int a,b,c,n;
a=2;b=0;c=1;n=1;
while(n＜=3)
c=c*a;b=b+c;++n;
printf("b=%d",b);