首选药物是
A.口服铁剂B.静脉注射铁剂C.肌肉注射铁剂D.维生素CE.输血治疗
参考答案:A
Most computer systems are (71) to two different groups of attacks:insider attacks and outsider attacks.A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users.Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment,but also helps to prevent future attacks.These attacks are usually (75) by tools referred to as Intrusion Detection Systems.
(75)处填()。
A.searched
B.checked
C.tested
D.detected
电压无功优化的三个目的是()、()、()。