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【多选题】
牢牢把握（ ）的主题，做好统战工作A.
大团结
B.
大联合
C.
大统一
D.
反对分裂
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反馈参考答案：
举一反三
【单选题】在分子生物学发展史上,开启现代分子生物学发展的里程碑式事件是
A.
连锁遗传规律的发现
B.
DNA被证明是遗传物质
C.
发现核酸可分为DNA和RNA
D.
DNA双螺旋结构模型的提出
【判断题】1953年,美国生物学家沃森和英国物理学家克里克通过X射线衍射分析,提出DNA分子结构的双螺旋模型,这是遗传学发展史上一个重大的转折点,由此使遗传学进入了分子遗传学时代。
A.
正确
B.
错误
【单选题】. ______ understanding the challenges faced by the world’s poorest people can we expect a new future free of extreme poverty and hunger.
A.
On
B.
Through
C.
Only
D.
Only by
【单选题】Faced with the prevalence of GM crops, organic farmers
A.
have sought new certifications for their GM-free products.
B.
can do nothing to stop their crops from being polluted by GM factors.
C.
can get huge profits by selling their GM-free goods.
D.
have done a lot to safeguard their GM-free goods.
【单选题】_____________ est le sommet(最高峰) de la France.
A.
Le Mont Blanc
B.
le Massif Central
C.
le Jura
【单选题】A student of the 20th century is faced with a new situation because_______．
A.
he has to learn entirely on his own
B.
he can never be a now
C.
science grows very fast
D.
he is changing all the time
相关题目：
【单选题】_____________ est le sommet(最高峰) de la France.
A.
Le Mont Blanc
B.
le Massif Central
C.
le Jura
参考解析：
知识点：
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