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【单选题】
板栗小枝无顶芽 , 雄花序为直立的柔荑花序。
A.
正确
B.
错误
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【单选题】FruitImagine a world without fruit. We wouldn’t be very healthy. We get a lot of important vitamins from eating fruit.We think of fruit primarily as something to eat._____（26）Fruit is part of a flower...
A.
Dry fruits are thin and hard.
B.
We even make alcohol from fruit.
C.
But fruit has a purpose quite apart from our needs.
D.
So these plants produce fleshy fruits.
E.
Then the seeds grow into new plants.
F.
But the plants grown from these seeds are seedless.
【单选题】板栗贮藏的适宜环境条件是（）
A.
-2℃-0℃，90-95％
B.
-2℃-0℃，80-85％
C.
0-5℃-0℃，90-95％
【单选题】甲原来的板栗数是乙原来的板栗数的2/5，现在乙给了甲20粒板栗，这时甲的板栗数是乙的板栗数的1/2。则甲原来有（ ）粒板栗。
A.
90
B.
120
C.
220
D.
300
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【单选题】FruitImagine a world without fruit. We wouldn’t be very healthy. We get a lot of important vitamins from eating fruit.We think of fruit primarily as something to eat._____（26）Fruit is part of a flower...
A.
Dry fruits are thin and hard.
B.
We even make alcohol from fruit.
C.
But fruit has a purpose quite apart from our needs.
D.
So these plants produce fleshy fruits.
E.
Then the seeds grow into new plants.
F.
But the plants grown from these seeds are seedless.
【单选题】板栗贮藏的适宜环境条件是（）
A.
-2℃-0℃，90-95％
B.
-2℃-0℃，80-85％
C.
0-5℃-0℃，90-95％
【单选题】甲原来的板栗数是乙原来的板栗数的2/5，现在乙给了甲20粒板栗，这时甲的板栗数是乙的板栗数的1/2。则甲原来有（ ）粒板栗。
A.
90
B.
120
C.
220
D.
300
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