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【单选题】
符合小儿泌尿系统特点的叙述是（ ）。A.
小儿年龄越小，肾脏相对越小
B.
小儿肾脏位置较高
C.
婴幼儿膀胱位置相对较高，尿充盈时可升入腹腔并易触及
D.
婴幼儿输尿管短而直，故易继发感染
E.
膀胱括约肌受脊髓和大脑控制，3岁左右可自主控制排尿
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举一反三
【单选题】Luckily , we'd brought a map without we would have lost our way.
A.
it
B.
that
C.
this
D.
which
【简答题】基本逻辑门电路有“与”门，“或”门，和______门，利用此三种基本逻辑门电路的不同组合，可以构成各种复杂的逻辑门电路。
【单选题】What was Peter's job?
A.
A radio announcer.
B.
A bank employee.
C.
A car mechanic.
D.
A movie actor.
【单选题】From the first two paragraphs, we learn that ______.
A.
the townsfolk despise the RSC's actors
B.
the two branches of the RSC do not get along well
C.
the RSC produces limited quantity of plays
D.
the townsfolk deny the RSC's contribution to the town's revenue
【单选题】Luckily,we'd brought a broad map without __we could have lost our way .
A.
it
B.
that
C.
this
D.
which
【简答题】With long brown hair, deep blue eyes, a tall and thin figure(身躯) Brad Pitt seems to be a born actor .He made his first appearance in a film in 1990.Though he was in the film for only 14 minutes, peopl...
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【单选题】Luckily , we'd brought a map without we would have lost our way.
A.
it
B.
that
C.
this
D.
which
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