电信运维评估指标EVDO连接成功率的评估目标值为≥（）%。
A.5
B.88
C.90
D.92
参考答案：C
体外循环麻醉时，监测病人全血激活凝固时间（ACT），病人生理值和体外循环转前应分别为多少秒（）
A.<130，>480
B.<200，>300
C.<15，>100
D.<300，>800
E.<45，>240
Little Tom is an orphan.＿＿＿＿＿,he has to make a living by himself.
A．A child as he is
B．Child as he is
C．Child as is he
D．A child though he is
