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【单选题】
我国椰子、天然橡胶等作物的主要产地是
[ ]
A.
四川
B.
海南岛
C.
广西
D.
福建
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举一反三
【单选题】Life of the Samoans①The Samoan islands are 2, 300 miles south of the Hawaiian islands. Though the land is steep, the islands have a plant cover watered by up to 200 inches of rain a year. All that rai...
A.
up to 200 inches
B.
mostly weed the land
C.
make the tree crops grow
D.
they are not eaten very often
E.
the Samoans do not work hard
F.
2.300 miles from the Hawaiian Islands
【单选题】It"s not only humans that flourish in large settlements. Some ants find life so accommodating that their populations explode and they form supercolonies in cities. "One of the most common house ...
A.
helpful
B.
easy-going
C.
spacious
D.
easy to adapt to (a new place)
【单选题】It’s not only humans that flourish in large settlements. Some ants find life so accommodating that their populations explode and they form supercolonies in cities. "One of the most common house...
A.
want to outcompete and dominate other species in cities
B.
could have easier access to resources they need
C.
have the ability to have a new place to nest
D.
like to compete for food and nesting sites
【单选题】下列属于生物多样性间接使用价值的是 A.“两个黄鹂鸣翠柳,一行白鹭上青天”,激发了人们的文学艺术创作灵感 B.野生生物相互依存、相互制约,共同维系生态系统的稳态 C.生物多样性为培育农作物、家畜和家禽新品种提供不可缺少的基因库 D.科学家根据苍蝇平衡棒的导航原理研制了新型的导航仪
A.
1
B.
2
C.
3
D.
4
【单选题】“太空育种”是指将蔬菜等作物种子搭载宇宙飞船进入宇宙空间，利用空间环境培育出高产、优质、早熟、抗病的新型育种过程，“神舟七号”飞船也进行了同类实验。“太空育种”的原理是______。\r\n
A.
基因重组
B.
基因突变
C.
细胞的全能性
D.
转基因工程
相关题目：
【单选题】Life of the Samoans①The Samoan islands are 2, 300 miles south of the Hawaiian islands. Though the land is steep, the islands have a plant cover watered by up to 200 inches of rain a year. All that rai...
A.
up to 200 inches
B.
mostly weed the land
C.
make the tree crops grow
D.
they are not eaten very often
E.
the Samoans do not work hard
F.
2.300 miles from the Hawaiian Islands
【单选题】It"s not only humans that flourish in large settlements. Some ants find life so accommodating that their populations explode and they form supercolonies in cities. "One of the most common house ...
A.
helpful
B.
easy-going
C.
spacious
D.
easy to adapt to (a new place)
【单选题】It’s not only humans that flourish in large settlements. Some ants find life so accommodating that their populations explode and they form supercolonies in cities. "One of the most common house...
A.
want to outcompete and dominate other species in cities
B.
could have easier access to resources they need
C.
have the ability to have a new place to nest
D.
like to compete for food and nesting sites
【单选题】下列属于生物多样性间接使用价值的是 A.“两个黄鹂鸣翠柳,一行白鹭上青天”,激发了人们的文学艺术创作灵感 B.野生生物相互依存、相互制约,共同维系生态系统的稳态 C.生物多样性为培育农作物、家畜和家禽新品种提供不可缺少的基因库 D.科学家根据苍蝇平衡棒的导航原理研制了新型的导航仪
A.
1
B.
2
C.
3
D.
4
【单选题】“太空育种”是指将蔬菜等作物种子搭载宇宙飞船进入宇宙空间，利用空间环境培育出高产、优质、早熟、抗病的新型育种过程，“神舟七号”飞船也进行了同类实验。“太空育种”的原理是______。\r\n
A.
基因重组
B.
基因突变
C.
细胞的全能性
D.
转基因工程
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