皮皮学，免费搜题
登录
搜题
【单选题】
“人法地, 地法天, 天法道, 道法自然” 出自以下哪部著作A.
《道德经》
B.
《诗经》
C.
《论语》
D.
《》
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 scientists are still working on ___ ____ new methods of reaching outer space.
A.
invention
B.
inventor
C.
invent
D.
inventing
【简答题】根据短文内容，从下面表格中选择正确的选项填入横线空格处。 A. Scientists are still working on testing them. B. So some clever farmers have solved (解决) the watermelon problem. C. Doctors might be able to use vegetables to fight can...
【单选题】(2013·青岛一模)Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
A.
how it is that
B.
how is it that
C.
it is how that
D.
that how it is
【简答题】________4 Scientists are still unable to satisfactorily explain why we yawn.
【单选题】The UFO phenomenon is not new to us, but scientists are still not able to offer any______ explanations.
A.
specific
B.
rational
C.
virtual
D.
literal
【简答题】【C1】______ nearly a hundred years of powered flight, scientists are still trying to figure out how birds fly. Researchers have learned that the slapping noise pigeons make when they suddenly take off ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
