儿童出现咳嗽咽痛、食欲不振、脘腹涨满等症时最宜选用的药物是()
A. 启脾丸
B. 肥儿口服液
C. 儿童喜食糖浆
D. 健儿清解液
在系统缺省情况下,下列哪个组的成员可以创建本地用户账号()。
A. Guests
BackupOperators
C. PowerUsers
D. Users
小儿外感高热、头痛、鼻塞、流涕最宜选用()
A. 保儿宁
B. 小儿热速清
C. 小儿感冒宁
D. 健儿乐
Themostaccuratemethodofdetermininggyrocompasserrorwhileunderwayisby().
A. Comparingthegyroazimuthofacelestialbodywiththecomputedazimuthofthebody
B. Comparingthegyroheadingwiththemagneticcompassheading
C. Determiningfromthechartthecoursemadegoodbetweencelestialfixes
D. Itcannotbedeterminedaccuratelyatseaduetodriftofunknowncurrents