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【单选题】
下列现象或新技术应用中,不涉及胶体的性质的是(  )
A.
在饱和氯化铁溶液中逐滴加NaOH溶液,产生红褐色沉淀
B.
使用微波手术刀进行外科手术,可使开刀处的血液迅速凝固而减少失血
C.
肾功能衰竭等疾病引起的血液中毒,可利用血液透析进行治疗
D.
在豆浆里加盐卤做豆腐
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【简答题】I will never forget the year when I was 12.My mother told us that we would not get Christmas gifts because there was not enough money .I felt sad and thought, ”What shall I say when the other kids ask...
【多选题】下列各项中,不应计入”应付股利“的有()
A.
董事会通过的利润分配方案中拟分派的现金股利
B.
已分派的股票股利
C.
已宣告分派但尚未支付的现金股利
D.
已宣告分派的股票股利
【简答题】When my period came, my mother told me “our women's motto was to ________”.
【单选题】下列电离方程式书写正确的是 [     ]
A.
NaHSO 4 =Na + +H + +SO 4 2- (熔融态)
B.
NaHCO 3 =Na + +H + +CO 3 2-
C.
CH 3 COOH CH 3 COO - +H +
D.
H 2 CO 3 2H + +CO 3 2-
【简答题】She still remembers the year _______ she spent in Sydney.
【简答题】When my period came, my mother told me “ our(women ’ s) motto was to ________ ” .
【单选题】溶液中下列电离方程式书写正确的是
A.
NaHSO 4 Na + +H + +SO 4 2-
B.
NaHCO 3 ===Na + +H + +CO 3 2-
C.
HClO===H + +ClO -
D.
H 2 S HS - +H + ,HS - H + +S 2 -
【多选题】下列电离方程式书写正确的是 [     ]
A.
NaHSO 4 =Na + +H + +SO 4 2-
B.
NaHCO 3 =Na + +H + +CO 3 2-
C.
CH 3 COOH CH 3 COO - +H +
D.
H 2 CO 3 2H + +CO 3 2-
【单选题】When I was young, my mother told me that the sun in the east.
A.
rise
B.
rises
C.
rose
D.
had risen
【单选题】下列电离方程式书写正确的是(   )
A.
Na 3 PO 4 =3Na + +
B.
Ba(OH) 2 =Ba 2+ +
C.
CH 3 COOH=CH 3 COO - +H +
D.
NaHCO 3 =Na + +H + +
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