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【单选题】
张 宝宝 ,1岁半。诊断为“营养性缺铁性贫血”,需口服铁剂治疗。护士对家长进行应用铁剂的指导,不正确的一项是
A.
注意观察药物反应,可能有恶心、排便异常等
B.
两餐之间服药,减少对胃肠道的刺激
C.
可与牛奶同时服用,利于铁剂吸收
D.
可用吸管服药,以减轻牙齿染黑
E.
患儿大便呈黑色是正常现象,停药后恢复正常
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举一反三
【单选题】What does the man say he did at Paul's Lumber?
A.
Bought wood at a good price
B.
Purchased more than he needed
C.
Entered but did not buy anything
D.
Spoke to a customer representative
【简答题】The shopkeeper offered him the ______ (good)hat in the shop with the ______ (low)price.
【单选题】25℃时,等体积的 ① pH=2 H 2 SO 4 溶液 ②0.005mol/L Ba(OH) 2 溶液 ③pH=10 Na 2 CO 3 溶液④pH=4 NH 4 Cl溶液中,发生电离的水的物质的量之比是
A.
1:1:10 8 :10 8
B.
10 8 :10 8 :1:10 6
C.
10 8 : 5×10 7 :1:10 6
D.
1:2:10 8 :10 8
【简答题】It is point of honor with the customer not to let the shopkeeper guess what it is she really likes and wants until the last moment.
【单选题】下列说法正确的是
A.
向蒸馏水中滴加浓H 2 SO 4 时,K W 不变
B.
常温下,0.005mol·L -1 Ba(OH) 2 溶液pH为12
C.
Na 2 CO 3 水解的离子方程式为:CO 3 2 - + 2H 2 O H 2 CO 3 + 2OH -
D.
NaCl溶液和CH 3 COONH 4 溶液均显中性,两溶液中水的电离程度相同
【简答题】Shopkeeper: 小题1: Tim:      Hello, I’m looking for a pair of football boots for my father. Shopkeeper: Which color do you like? Tim:      I like the red ones. 小题2: Shopkeeper: They’re 150 yuan Tim:    ...
【简答题】25°C时,0.005mol/L的H2SO4溶液的pH_________________
【简答题】求室温条件下0.005mol/l的 H 2 SO 4 溶液的PH值
【多选题】常温下,对于1L0.005mol·L -1 硫酸表述中正确的是
A.
由水电离出的c(H + )=1.0×10 -12 mol·L -1
B.
加水稀释后,溶液中所有离子的浓度均减少
C.
2c(H + )= c(SO 4 2 - )+ c(OH - )
D.
滴加稀氨水使pH=7,则c(NH 4 + )=' 2' c(SO 4 2 - )
【简答题】005mol/L的H 2 SO 4 溶液的pH= 。
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