皮皮学，免费搜题
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【单选题】
If Mexico fully dollarizes its economy, it agrees to:A.
print pesos only to finance deficits of its national government.
B.
use the U.S. dollar alongside its peso to finance transactions.
C.
have the U.S. Treasury be in charge of its tax collections.
D.
replace pesos with U.S. dollars in its economy.
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【单选题】______ mother is a teacher at Beijing International School. [ ]
A.
Tom's and Jim's
B.
Tom and Jim's
C.
Tom and Jim
D.
Tom's and Jim
【简答题】临床上用来治疗碱中毒的针剂氯化铵(NH4Cl Mr=53.48),其规格为20.00mL一支,每支中含0.1600g NH4Cl,计算该针剂的物质的量浓度和渗透浓度,并判断红细胞在此溶液中的行为如何?(正常、溶血还是形成血栓?)
【简答题】临床上用来治疗碱中毒的针剂氯化铵(NH 4 Cl M r =53.48),其规格为20.00mL一支,每支中含0.1600g NH 4 Cl,计算该针剂的物质的量浓度和渗透浓度,并判断红细胞在此溶液中的行为如何?(正常、溶血还是形成血栓?)
【单选题】—Where is Tom? —I heard him ______ with our English teacher when I passed the teacher’s lounge.
A.
talks
B.
talked
C.
talking
D.
to talk
【单选题】The head teacher _____works in the school. The new teacher is exactly Tom’s sister. [ ]
A.
not now
B.
no longer
C.
not more
D.
not longer
【单选题】关于输尿管，叙述正确的是（）
A.
输尿管斜穿膀胱壁处的部分为第一狭窄
B.
肾盂与输尿管移行处为第二狭窄
C.
与髂血管交叉处为第三狭窄
D.
根据其行程分为腹段和壁内段
E.
输尿管的三处狭窄常是结石滞留的部位
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