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【简答题】
利用数轴填空: (1)在数轴上表示-5的点与表示2的点的距离是______; (2)数轴上点A表示的数为-5,将A先向右移2个单位,再向左移10个单位,则这个点表示的数是______; (3)在数轴上,到原点距离不大于2的所有整数有______.
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举一反三
【简答题】Who are they? What are they? Where are they? Why do they sit together?
【单选题】Where are they?
A.
They are in a shop.
B.
They are in the restaurant.
C.
They are in a large department store.
D.
They are in the library.
【单选题】Where are they?
A.
They are dancing.
B.
They are travellers.
C.
They are in the park.
【单选题】被称为遗传学奠基人的是()
A.
达尔文
B.
孟德尔
C.
摩尔根
D.
魏斯曼
【单选题】公认的细胞遗传学奠基人是( )
A.
Mendel
B.
Morgan
C.
Lamarck
D.
Darwin
【单选题】公认的遗传学奠基人是( )
A.
Mendel
B.
Morgan
C.
Lamarck
D.
Darwin
【单选题】遗传学的奠基人是
A.
马克思
B.
孟德尔
C.
拉马克
D.
达尔文
【单选题】This is the hotel _______last month. A. which they stayed B. at that they stayed C. where they stayed at D. where they stayed
A.
which they stayed
B.
at that they stayed
C.
where they stayed at
D.
where they stayed
【单选题】遗传学奠基人是()
A.
达尔文
B.
摩尔根
C.
加洛德
D.
孟德尔
【判断题】Griffith 于 1925 年创建了世界上第一个运动心理学实验室。( )
A.
正确
B.
错误