皮皮学，免费搜题
登录
搜题
【简答题】
如何观察碘过敏反应?
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】After the ( ) traveling, he felt very ( ).
A.
tiring, tiring
B.
tired, tired
C.
tired, tiring
D.
tiring, tired
【单选题】He said he liked traveling by train, but after six hours standing in the corridor, he changed his __________
A.
sound
B.
voice
C.
tone
D.
tune
【单选题】Pleasant as they made it_____,we still felt tired after the long journey.
A.
to travel
B.
traveling
C.
traveled
D.
travel
【简答题】设X(t)为平稳过程，其自相关函数R X (τ)是以T 0 为周期的函数．证明：X(t)是周期为T 0 的平稳过程．
【简答题】阅读理解。 Have you ever gone traveling on the train that was named after the letter D? Named after the letter D, the new trains run at speeds of 200 to 250 kilometers one hour. These are much faster than ...
【单选题】After traveling in the desert for five days, we found a tiny oasis, where there was a well and ( ) green grass.
A.
a patch of
B.
a bunch of
C.
a pinch of
D.
a packet of
【简答题】x(t)= x(t0)
【单选题】After traveling in the desert for many days, they found a tiny oasis, where there was a well and ________ green grass.
A.
a patch of
B.
a bunch of
C.
a pinch of
D.
a packet of
相关题目：