白令海峡是亚欧大陆与北美大陆相距最近处,如果在这里修建一条铁

白令海峡是亚欧大陆与北美大陆相距最近处,如果在这里修建一条铁路同原有铁路连通,可以为两大陆提供一条便捷的陆上交通通道。读下图,回答问题。

从北京到洛杉矶铁路沿线,占绝对优势的自然景观是                                                 

       A.针叶林               B.阔叶林                C.半荒漠               D.苔原

答案

A

相关题目

在Rt△ABC中,∠C=90°,AC=2,BC=3,那么下列各式中,正确
在Rt△ABC中,∠C=90°,AC=2,BC=3,那么下列各式中,正确的是( ) A.sin B=  B.cos B=  C.tan B=  D.tan B=
知:C(s)+H2O(g)=CO(g)+H2(g)  △H=a kJ/mol C(s)+O2(g)=2CO(g)  
知:C(s)+H2O(g)=CO(g)+H2(g)  △H=a kJ/mol C(s)+O2(g)=2CO(g)         △H=-220 kJ/mol H-H、O=O和O-H键的键能分别为436、496和462 kJ/mol,则a为 A.-332 
某新型燃料电池能以乙烯为原料制备乙醛并获得电能,工作
某新型燃料电池能以乙烯为原料制备乙醛并获得电能,工作原理如图所示。下列有关说法正确的是 A.a 电极为正极 B.电子移动方向:a 电极→磷酸溶液
下面语段横线处应填入的词语,最恰当的一组是 我们都知道
下面语段横线处应填入的词语,最恰当的一组是 我们都知道,现在“种花”已经不能呢个仅凭劳动力和气候来___收益了。如果没有优良的花卉品种、先
He's never been here before, ________?    A.is he   B.isn't he      C.
He's never been here before, ________?    A.is he   B.isn't he      C.has he  D.hasn't he
能为细胞提供与呼吸作用有关的酶的细胞器是          
能为细胞提供与呼吸作用有关的酶的细胞器是                                         A.高尔基体   B.溶酶体 C.线粒体  D.核糖体
Topping the class academically was certainly an advantage. Studying was a breeze
Topping the class academically was certainly an advantage. Studying was a breeze for Nigel. The reward was certainly incomparable to the little effort that he had to put it. It begin when he was sele
--- Mum, I don’t want to take the medicine. --- Oh dear, you should know tha
--- Mum, I don’t want to take the medicine. --- Oh dear, you should know that good medicine for health ____ to the mouth.        A.tastes bitter   B.tastes bitterly   C.is tasted

最新题目