水窖(旱井)修建在选择地形时,最好选择()、土质坚实、土层深厚、上有来水的地方。
A.坡度较陡
B.距树林较近
C.坡度较缓
D.距房屋较近
参考答案:C
女婴乳腺肿块自然消退的时间()
A.5~7天
B.8~10天
C.11~14天
D.2~3周
E.3~4周
One of the functions of the (71) is to store the applications programs or the various secondaries. The (72) may have similar or dissimilar functions. The same control code received from two different, secondaries may warrant two different actions on the part of the host computer. If the system so requires, the host computer must also provide (73) for the centralized data and the software for database management. Data information is normally stored in auxiliary memories to which the computer has ready access. The (74) peripherals connected to the host computer allow for human entry and intervention. As needs change, application programs may require additions, deletions, or changes. Data link problems also arise which are (75) the range of the computer’s programmed capabilities. In such cases, human entry is required to make the necessary changes to resolve the existing problems.
A.set
B.host
C.secondaries
D.record