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【单选题】
超声波的本质是一种:A.
高频电磁波
B.
低频电磁波
C.
高频机械波
D.
低频机械波
E.
脉冲波
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举一反三
【简答题】运动传导路是大脑皮质至躯体运动________的神经联系,分为________和________两部分。
【单选题】Geography is the study of the relationship of between people and the land. Geographers compare and contrast【C1】______places on the earth. But they also【C2】______beyond the individual places and consid...
A.
similar
B.
various
C.
distant
D.
famous
【单选题】Geography is the study of the relationship between people and land. Geographers compare and contrast【C1】______places on the earth, but they also【C2】______beyond the individual places and consider the ...
A.
distant
B.
similar
C.
various
D.
famous
【单选题】Geography is the study of the relationship between people and the land. Geographers compare and contrast various places on the earth. But they also 【B1】 beyond the individual places and consider the e...
A.
pass
B.
reach
C.
go
D.
set
【单选题】Geography is the study of the relationship between people and the land. Geographers compare and contrast【C1】______ places on the earth. But they also【C2】______ beyond the individual places and conside...
A.
similar
B.
various
C.
distant
D.
famous
【单选题】Geography is the study of the relationship between people and the land. Geographers compare and contrast【C1】______ places on the earth. But they also【C2】______ beyond the individual places and conside...
A.
similar
B.
various
C.
distant
D.
famous
【单选题】Geography is the study of the countries of the world and of such things ______ the land, seas, climate, towns, and population.
A.
as
B.
that
C.
which
D.
what
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