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【单选题】
属于人体条件必需氨基酸的是( )。A.
色氨酸
B.
赖氨酸
C.
苯丙氨酸
D.
酪氨酸
E.
缬氨酸
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举一反三
【单选题】下列有关疾病监测的论述哪项是错误的
A.
主动监测的结果要比被动监测准确
B.
哨点监测的耗费要比常规报告高
C.
监测病例的诊断要比实际病例简便
D.
直接指标的获得要比间接指标困难
E.
静态人群资料的处理比动态人群简单
【单选题】This is our sitting room. There are three sofas in ____________. [ ]
A.
it
B.
them
C.
this
【简答题】生词：sitting-room: 客厅 wall: 墙 1. What's your favorite? A. Watching TV. B. Sitting room. C. Pictures on the wall 2. There are ______ in the house. A. three rooms B. many people C. some pictures and a com...
【单选题】Sir, you _______ be sitting in this sitting room. It is for women and children only.
A.
oughtn’t to
B.
can’t
C.
won’t
D.
needn’t
【单选题】下列有关疾病监测的论述哪项是错误的
A.
主动监测的结果要比被动监测准确
B.
哨点监测的耗费要比常规报告高
C.
监测病例的诊断要比实际病例简便
D.
直接指标的获得要比间接指标困难
E.
静态人群资料的处理要比动态人群简单
【简答题】客流由流量、 ()、流时、流距4个主要因素组成。
【单选题】There _____ a TV set and a number of chairs in the sitting room .
A.
are
B.
being
C.
were
D.
is
【简答题】No one noticed that the little boy had c______ into the room and was sitting there, listening.
相关题目：
【单选题】There _____ a TV set and a number of chairs in the sitting room .
A.
are
B.
being
C.
were
D.
is
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