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【单选题】
关于食管的位置及狭窄的描述,正确的是A.
全长约40cm
B.
行于脊柱与气管之间
C.
颈段最长
D.
第2狭窄位于右主支气管跨越食管前方处
E.
与胸导管共同穿经膈的食管裂腹腔
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举一反三
【单选题】以下哪个表示方式是正则表达式构造函数方式:
A.
var reg=/dog/
B.
var reg=/dog/i
C.
var reg=/a+b?\w/
D.
var reg=new RegExp("dog")
【单选题】When I met Becky, she told me that she ______ for an interview the next day.
A.
would go
B.
has gone
C.
went
D.
had gone
【简答题】完形填空 I first saw the baby panda when she was only 10 days old. She looked like a white mouse. We _____1 her Xi Wang. It means 'hope'. When Xi Wang was born, she weighed(重)_____2 100 grams(克). Xi Wang ...
【单选题】She and I ________ classmates when we were at middle school.
A.
had been
B.
was
C.
were
D.
have been
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