化学消毒剂(chemicaldisinfectant)是指用于杀灭什么的化学药物()。
A. 微生物
B. 寄生虫
C. 真菌
D. 病原微生物
E. 细菌
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在硫分配系数一定的条件下,钢中的硫含量取决于炉料中的硫含量和渣量。
A. 正确
B. 错误
The database instance has the following parameter setting: OS_AUTHENT_PREFIX = OPS$ OS_ROLES = FALSE REMOTE_OS_AUTHENT = FALSE REMOTE_OS_ROLES = FALSE TIMED_OS_STATISTICS = 0 You have a local operating system user SKD.You create a database user OPS$SKD, and then assign external authentication. The user OPS$SKD has theCREATE SESSION privilege. What would you achieve by the above process()
A. The database user OPS$SKD will be able to administer the database.
B. The authentication detail for the database user OPS$SKD is recorded in the password file.
C. The local operating system user SKD will be able to access the database instance without specifying theusername and password.
D. The database user OPS$SKD has to login with the password of the local operating system user SKD toaccess the database instance.
杆上杆下传递物品必须应用绝缘或()绳子。
A. 干燥
B. 潮湿
C. 金属
D. 导电
按《中央企业综合效绩评价实施细则》的规定,下列指标中,可用于评价企业经营增长状况的基本指标有()
A. 销售(营业)增长率
B. 资本保值增值率
C. 资本收益率
D. 总资产增长率
E. 资产负债率