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【单选题】
关于透明层的描述哪项正确 (1分)
A.
身体各部的表皮都有透明层
B.
细胞形态立方,界限清楚
C.
细胞核和细胞器存在
D.
胞质内可见板层颗粒
E.
HE染色为嗜酸性均质状
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举一反三
【单选题】______ birds use their feathers for flight, some of their feathers are for other purposes.
A.
Once
B.
If
C.
Although
D.
Because
【单选题】不属于女阴的结构是
A.
前庭大腺
B.
小阴唇
C.
大阴唇
D.
阴阜
E.
阴蒂
【单选题】____birds use their feathers for flight, some of their feathers are for others purposes.
A.
Once
B.
If
C.
Although
D.
baecause
【单选题】属于女阴的结构是 ()
A.
卵巢
B.
阴道
C.
阴阜
D.
输卵管
【单选题】属于女阴的结构是
A.
子宫
B.
卵巢
C.
阴道
D.
大阴唇
E.
前庭大腺
【单选题】属于女阴的结构是
A.
子宫
B.
卵巢
C.
阴道
D.
输卵管
E.
大阴唇
【单选题】在等比数列 中, ,公比q=2 , 则 ( ) , ( )
A.
12  ,  48
B.
-12  ,  48
C.
12  ,  -48
D.
-12  ,-48
【单选题】下列属于女阴的结构是
A.
子宫
B.
卵巢
C.
阴道
D.
阴蒂
【单选题】According to the author, which is the most feasible way to protect birds?
A.
Use fences to protect all the parks in the world.
B.
Try to protect wild space and nature.
C.
Abandon the economic values that birds can bring.
D.
Rely less on agriculture and return farmlands to forests.
【单选题】What do the fishermen do to encourage the birds?
A.
They use a long string to beat the birds.
B.
They give the birds some fish to encourage the birds.
C.
They beat the sides of the boat to stimulate the birds.
D.
They grasp several birds in one hand.
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