【单选题】关于产褥感染的诱因,下列哪项描述不正确()
【判断题】口碑营销往往伴随着病毒式营销,它主要借助的就是受众自发传播的力量。
【判断题】保藏的菌种如再使用,应用同种培养基来活化,并减少开管次数,防止污染。
【单选题】听力原文:Mary was so exhausted last night that she dropped off to sleep in the chair instead of getting up and going to bed. (28)
A.
She dropped off the chair last night.
B.
She went to buy some bedroom furniture.
C.
She didn't sleep last night.
D.
She slept in the chair rather than on the bed.
【简答题】以下关于IP报文首部信息说法错误的是( )A. Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE ...
【单选题】We should not ________ and laugh at those who have no homes to shelter from the rain and wind. Instead, we should be sympathetic of them. [ ]
【单选题】— Mike wants to know if _____ a picnic tomorrow. — Yes. But if it _____, we'll visit the museum instead. [ ]
B.
you will have; will rain
【单选题】以下关于 IP 报文首部信息说法错误的是( )。
A.
IP 报文首部中固定部分的长度为 20 字节
C.
如果高层使用 TCP 那么 IP 报文首部中协议号部分值为 17
D.
IP 报文首部中 IP 报文最小长度为 46 字节
【单选题】Which of the following may contribute to a longer life span?
A.
Showing adequate trust instead of suspicion of others.
B.
Eating the food low in fat and driving with great care.
C.
Cultivating an optimistic personality and never losing heart.
D.
Looking on the bright side and developing a balanced level of risk.