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【多选题】
下列哪些为描述性研究
A.
个例报道
B.
病例组报告
C.
长期趋向分析
D.
队列研究
E.
病例对照研究
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参考答案：
举一反三
【单选题】The boys often play ____________ football and the girls often play ____________ violin. [     ]
A.
the, /
B.
the, the
C.
/, the
D.
/, /
查看完整题目与答案
【单选题】The boys often play soccer _____ every Sunday afternoon.
A.
in
B.
at
C.
/
D.
on
查看完整题目与答案
【单选题】修理散热器常用的方法是( )
A.
电焊
B.
固体粘结剂
C.
锡焊
D.
更换总成
查看完整题目与答案
【单选题】The boys often play() football on Sundays.
A.
the
B.
不填
C.
a
查看完整题目与答案
【单选题】The boys often play___ guitar in __afternoon.
A.
the; /
B.
/;the
C.
the; the
D.
/;/
查看完整题目与答案
【单选题】The boys often play _____ football in _____ afternoon.
A.
/; an
B.
the; an
C.
/; the
D.
a; the
查看完整题目与答案
【单选题】导线外业测量不包括 ( )
A.
测边
B.
转折角测量
C.
定向
D.
坐标方位角的推算
查看完整题目与答案
【单选题】The boys often play football in the park on Sunday, ______ they?
A.
are
B.
aren't
C.
do
D.
don't
查看完整题目与答案
【单选题】The boys often play _________ basketball after school.
A.
/
B.
a
C.
an
D.
the
查看完整题目与答案
【单选题】--- Where the boys often play s? --- In the park.
A.
are
B.
is
C.
does
D.
do
查看完整题目与答案
相关题目：
【单选题】The boys often play ____________ football and the girls often play ____________ violin. [     ]
A.
the, /
B.
the, the
C.
/, the
D.
/, /
查看完整题目与答案
【单选题】The boys often play soccer _____ every Sunday afternoon.
A.
in
B.
at
C.
/
D.
on
查看完整题目与答案
【单选题】修理散热器常用的方法是( )
A.
电焊
B.
固体粘结剂
C.
锡焊
D.
更换总成
查看完整题目与答案
【单选题】The boys often play() football on Sundays.
A.
the
B.
不填
C.
a
查看完整题目与答案
【单选题】The boys often play___ guitar in __afternoon.
A.
the; /
B.
/;the
C.
the; the
D.
/;/
查看完整题目与答案
【单选题】The boys often play _____ football in _____ afternoon.
A.
/; an
B.
the; an
C.
/; the
D.
a; the
查看完整题目与答案
【单选题】导线外业测量不包括 ( )
A.
测边
B.
转折角测量
C.
定向
D.
坐标方位角的推算
查看完整题目与答案
【单选题】The boys often play football in the park on Sunday, ______ they?
A.
are
B.
aren't
C.
do
D.
don't
查看完整题目与答案
【单选题】The boys often play _________ basketball after school.
A.
/
B.
a
C.
an
D.
the
查看完整题目与答案
【单选题】--- Where the boys often play s? --- In the park.
A.
are
B.
is
C.
does
D.
do
查看完整题目与答案
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