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【单选题】
大多数害虫的视觉神经对波长( )紫外线特别敏感。
A.
550 ~ 650 nm
B.
330 ~ 400nm
C.
333~ 400 nm
D.
550~600nm
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away