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【单选题】
患者，男性，59岁。粘液血便3月余，近1个月来次数增多，时有排便不尽感，里急后重，体重下降。疑患“直肠癌”。为进一步确诊，最重要、最可靠的检查方法是A.
粪便隐血试验
B.
CEA
C.
CT
D.
X线钡剂灌肠检查
E.
内镜、病理检查
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皮皮学刷刷变学霸
举一反三
【单选题】Since American's rank in graduation rate dropped dramatically, ______.
A.
more poor and non-white students cannot enter college
B.
the enrollment rate of white students may increase
C.
the young may be less well educated than their fathers
D.
more money and effort will be put on higher education
【简答题】I know _______________ since graduation.
【简答题】There is a ______ even though there have been attempts to get more girls to study physics.
【单选题】_____ all that has been said, the tourists have been picking leaves.
A.
In spite
B.
Despite
C.
Even
D.
Even so
【单选题】—Have you been teaching here since graduation? —No, I _____ on a farm for five years．
A.
had worked
B.
have worked
C.
was working
D.
worked
【单选题】—Have you ____ been to our town before? —No, it’s the first time I ___ here.
A.
even, come
B.
even, have come
C.
ever, come
D.
ever, have come
【简答题】I know ____since graduation.
【单选题】Since the Great Depression，the United States government has protected farmers from damaging drops in grain prices．
A.
slight
B.
surprising
C.
sudden
D.
harmful
【单选题】Ted _________________ in an accounting department since graduation.
A.
worked
B.
was working
C.
has always worked
D.
is working
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