题目内容

萌发是指挥粮油种子的幼胚恢复生长、幼根、幼芽()向外生长的现象。

A. 长至一定长度
B. 发育完全
C. 发育完整
D. 突破皮层

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干冰在温度达到-78度时直接()成气态二氧化碳时从周围吸收大量的热。

A. 蒸发
B. 升华
C. 熔化
D. 熔融

特高压±1100千伏直流输电距离可以达到()公里,输送容量可达1200万千瓦,世界各大清洁能源基地与负荷中心都在特高压输送范围内。

Tape streaming is not happening while performing RMAN tape backup. On investigation, you find that it is not because of the incremental backup or the empty file backup and that RMAN is sending data blocks to the tape drive fast enough. What could be a solution to make tape streaming happen during the backup?()

A. Configure backup optimization
B. Configure the channel to increase MAXOPENFILES
Configure the channel to increase the capacity with the RATE parameter
D. Configure the channel to adjust the tape buffer size with the BLKSIZE optio

()不是甲醇中脱除的酸性气体。

A. H2S
B. NH3
C. HCOOH
D. CH4

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