【简答题】超声波探伤仪是人类对声音能够传递______的一个应用;经超声波探伤仪检测,刚竣工的三峡大坝坝体无一结构性裂缝,创造了人类水利建筑史上的奇迹.探伤仪发出的超声波无法为人耳所听觉,原因是超声波的______.
【简答题】Our efficiency has earned us a place among the top ten software companies in this country. ____________, investors appear to have full confidence in our capacity to grow our business.
【判断题】New notations and tools contribute to higher efficiency and less workload in producing large and complex software systems.
【单选题】Software efficiency and effectiveness have to do with .
A.
size and speed of storage systems
B.
architects and algorithms
C.
CPU frequency and parallelism
D.
communication bandwidth
【单选题】The following methods can improve the efficiency of software testing:
A.
Randomly select test data;
B.
Take all possible input data as test data;
C.
Make software test plan after coding;
D.
Select the data with the highest probability of error discovery as the test case.