皮皮学，免费搜题
登录
搜题
【单选题】
北纬40度太阳高度角最高的节气是( )。A.
春分
B.
夏至
C.
秋分
D.
冬至
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The first birds appeared during late Jurassic times. These birds are known from four very good skeletons, two incomplete skeletons, and an isolated feather, all from the Solnhofen limestone of Bavaria...
A.
nesting materials
B.
four skeletons in good condition
C.
two fragmented skeletons
D.
a single feather
【简答题】Flying across the Atlantic for the first time was a great .
【简答题】月饼的生产合格率为 99.36%属于 数据
【单选题】When was the first flying boat made?
A.
At the time of the Wright brothers.
B.
It’s still developing.
C.
About two years ago.
D.
Not mentioned.
【单选题】When the government of Newtown first ordered people to kill rats, people were ______.
A.
very happy to kill many rats
B.
so lazy that they killed many rats
C.
too lazy to kill many rats
【单选题】The fossil remains of the first flying vertebrates, the pterosaurs. have intrigued paleontologists for more than two centuries, How such large creatures, which weighed in some eases as much as a pilot...
A.
enormous wingspans of the pterosaurs enabled them to fly great distances
B.
structure of the skeleton of the pterosaurs suggests a close evolutionary relationship to hats
C.
fossil remains of the pterosaurs reveal how they solved the problem of powered flight
D.
pterosaurs were reptiles
【单选题】The fossil remains of the first flying vertebrates, the pterosaurs, have intrigued paleontologists for more than two centuries. How such large creatures, which weighed in some cases as much as a pilot...
A.
enormous wingspan of the pterosaurs enabled them to fly great distances
B.
structure of the skeleton of the pterosaurs suggests a close evolutionary relationship to bats
C.
fossil remains of the pterosaurs reveal how they solved the problem of powered flight
D.
pterosaurs were reptiles
相关题目：
参考解析：
知识点：
题目纠错 0
发布
