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【单选题】
反复输血患者出现血性发热反应, 再次输血首选血液制品为A.
浓缩红细胞
B.
悬浮红细胞
C.
辐照红细胞
D.
少白细胞的红细胞
E.
年轻红细胞
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反馈参考答案：
举一反三
【单选题】已知int a，b；下列switch语句中正确的是（）
A.
switch(a){ case a:a++;break; case b:b++;break;}
B.
switch(a+b){ case 1:a++;break; case 2:b++;break;}
C.
switch(a*b){ case a*b:a++;break; case a/b:b++;break;}
D.
switch(a/10+b){ case a+b:a++;break; case a-b:b++;break;}
【单选题】There _____ great changes in our hometown in the past fifteen years. [ ]
A.
has been
B.
have been
C.
had
D.
were
【单选题】Language has been changing, but such changes are not so obvious at all linguistic aspects except that of______.
A.
phonology
B.
lexicon
C.
syntax
D.
semantics
【单选题】There ________ great changes in Zhangzhou since 2010.
A.
have had
B.
has been
C.
have been
【简答题】目前葡萄球菌对青霉素的耐药性已达( )
【单选题】Good use___ the natural resources to improve people’s life in this area．
A.
has been made of
B.
has made of
C.
has made
D.
has been made
【单选题】In the past few years, there _____ great changes in my hometown. [ ]
A.
have been
B.
were
C.
has been
D.
was
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