正常人血红蛋白下列何项是不正确的() HbA。 HbH。 HbA2。 HbF。
Telneting from any machine on the network is taking 75 seconds. Which of the following procedures should be checked to correct the error?() Check /etc/hosts. 。 Check /etc/resolv.conf. 。 Check for packet errors. 。 Check to see if the master server is up.。
异宗配合
下列哪些人可以成为脱逃罪的主体?() 被劳动教养的人。 依法被关押的罪犯。 依法被关押的被告人。 依法被关押但尚无充分证据证明有罪的犯罪嫌疑人。
You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning Set as a part of the workload capturing. What information is captured as part of this process?() the SQL text SQL。 the execution plan。 the execution context。 the execution frequency。 the system change number (SCN)。
测度调查数据的离散趋势时,变异系数越大,说明()。