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【单选题】
某制药厂工人，在加入苯胺时，不慎污染衣服，经擦拭后继续工作。临下班时，出现头晕、恶心，继而出现口唇、指甲发绀等症状，随即送医院救治。 该患者皮肤黏膜发绀的原因是A.
血红蛋白氧运输障碍
B.
肺氧分压下降引起血氧分压下降
C.
形成碳氧血红蛋白
D.
抑制了细胞内呼吸
E.
形成高铁血红蛋白
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【判断题】For a country with a fixed exchange rate and no sterilization: When the FE curve is flatter than the LM curve, a negative domestic spending shock to the IS curve creates a balance of payments deficit...
A.
正确
B.
错误
【判断题】For a country with a fixed exchange rate and no sterilization: When the FE curve is steeper than the LM curve, a negative domestic spending shock to the IS curve creates a balance of payments surplus,...
A.
正确
B.
错误
【简答题】选词9-9 The teacher told Mary that they will( ) her recent illness ( ) when marking her exams. (establish;conduct;inquiry;domestic;commodity;claim;measure;cover;channel; advertisement;no matter;reliable...
【单选题】甲级分隔应用经认可的不燃材料隔热，使在规定时间内，其背火一面的平均温度较原始温度升高不超过________，且在任何一点的温升不超过________。
A.
140℃
B.
225℃
C.
225℃
D.
140℃
E.
140℃
F.
180℃
G.
180℃
H.
225℃。
【单选题】甲级分隔应用经认可的不可燃材料隔热,使在规定的时间内,其背火一面的平均温度较原始温度升高不超过( ),且在任何一点的温度较原始温度升高不超过( )
A.
140℃;225℃
B.
225℃;140℃
C.
140℃;180℃
D.
、180℃;225℃
【单选题】When the exchange rate is
A.
flexible, purposeful stabilization is more difficult because monetary policy has no power at all to affect domestic output and employment.
B.
fixed, purposeful stabilization is less difficult because monetary policy has no power at all to affect domestic output and employment.
C.
fixed, purposeful stabilization is more difficult because monetary policy has no power at all to affect domestic output and employment.
D.
a crawling peg, rather than fixed, purposeful stabilization is more difficult because monetary policy has no power at all to affect domestic output and employment.
E.
fixed rather than crawling peg purposeful stabilization is more difficult because fiscal policy has no power at all to affect domestic output and employment.
【单选题】“甲级分隔”或“A级分隔”应使用经认可的不燃材料隔热,使在规定时间内,使其背火一面的平均温度较原始温度升高不超过________,且在任何一点的温升不超过________。
A.
140℃；225℃
B.
225℃；140℃
C.
140℃；180℃
D.
180℃；225℃
【简答题】甲级分隔应用经认可的不可燃材料隔热,使在规定的时间内,其背火一面的平均温度较原始温度升高不超过( ),且在任何一点的温度较原始温度升高不超过( )
【单选题】Healthy Returns in India Growth in India has been racing along at an annual 30 percent rate over the last decade, compared to a global average of 20 per cent. This is at a time when the nation's gross...
A.
Y
B.
N
C.
NG
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