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【单选题】
初产妇25岁,5日前经阴道分娩一男婴。今日查房发现其乳头皲裂,为防治乳头破损,正确的护理措施是:A.
喂哺后挤出少许乳汁乳头和乳晕上
B.
先在损伤较重的一侧乳房哺乳
C.
为减轻疼痛应减少喂哺的次数
D.
哺乳前用毛巾和肥皂水清洁乳头和乳晕
E.
哺乳时让婴儿含吮乳头即可
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【简答题】图甲中寒署表的示数为 ℃；图乙中弹货测力计的示数为 N．
【单选题】If the Europeans thought a drought—a long period of dry weather—was something that happened only in Africa, they know better now. After four years of below-normal rainfall (in some cases only 10 perce...
A.
They know more about the causes of the drought.
B.
They have a better understanding of the drought in Africa.
C.
They have realized that the drought in Europe is the most serious one.
D.
They have realized that droughts hit not only Africa but also Europe.
【单选题】The long drought caused a ___ shortage of water in this region.
A.
urgent
B.
acute
C.
dense
D.
rigid
【单选题】The long drought was followed by months of____.
A.
famine
B.
tame
C.
fancy
D.
fatigue
【单选题】But sometimes , no rain falls for a long , long time. Then there is a dry period , or drought .
A.
旱灾
B.
天灾
C.
水灾
【简答题】已知n是自然数，而n 2 -19n+91的值是完全平方数，求n．
【单选题】But sometimes, no rain falls for a long, long time. Then there is a dry period, or drought .
A.
洪涝
B.
干旱
C.
枯萎
D.
丰收
【简答题】甲数是m，比乙数的3倍多n．表示乙数的式子是______．
【简答题】求满足1+3+5+…+n＞500的最小自然数n.
【简答题】n. (数)量
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