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【单选题】
清江画廊旅游度假区是国家( )A级景区A.
2A
B.
3A
C.
4A
D.
5A
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举一反三
【简答题】The processes of European exploration and colonization for several centuries led to significant change in English.
【单选题】In this victory speech ________ before a huge crowd of his supporters, Obama declared that “Change has come to America”.
A.
delivered
B.
to be delivered
C.
having delivered
D.
delivering
【简答题】MOV指令是三菱功能指令中的常用基本指令,其作用是把某个数值赋予到某个目标中去。比如“mov k10 t1”的作用是把十进制常数________写入定时器T1中去
【多选题】镇痛药的镇痛机制是
A.
通过脑内释放脑啡肽等物质与突触后膜阿片受体结合，使痛觉传递受抑制
B.
通过中枢某部位释放抑制性递质NM-DA、Ach增加对痛觉的抵抗力，产生镇痛
C.
通过脑内释放脑啡肽等物质与突触前膜阿片受体结合，产生突触前抑制，防止痛觉传入
D.
与相应膜受体结合，关闭Ca抖通道，阻断痛觉传递
E.
以上全对
【多选题】The structures taking part in( )
A.
endocardial cushion
B.
septum primum and septum secundum
C.
muscular and membranous part of interventricular septum
D.
bulboventricular groove
E.
left and right bulbus ridges
【单选题】The writer asked about the price of a glass butter-dish in Change Alley because he wanted to＿＿＿．
A.
buy it at a lower price
B.
change his dish for something else
C.
find out if the shop assistant is polite
D.
compare the prices of the dish in two stores
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