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【单选题】
要使白云突出应用（）滤色镜。A.
ND
B.
UV
C.
SL
D.
黄色
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举一反三
【单选题】Among the freed slaves, two very different types of music developed from the African rhythms that had formed the basis for the Negroes' work songs. One line of musical development led to the creation ...
A.
true
B.
false
【简答题】How many songs were written there in C.C.’s notebook?
【单选题】________ songs were not difficult.
A.
Our first few short English
B.
Our few first short English
C.
Our first short few English
D.
Our first few English short
【简答题】How many songs were downloaded legally from the Internet in the UK in 2005? More than __________ songs.
【单选题】发现某检测缓变信号的仪表输入端存在 50Hz 差模干扰,应采取 措施。
A.
提高前置级的共模抑制比
B.
在输入端串接高通滤波器
C.
在输入端串接低通滤波器
D.
在电源进线侧串接电源滤波器
【单选题】Their songs were ______ and they did not use ______ instruments in the church.
A.
simple; musical
B.
simply; musical
C.
simply; musically
D.
simple; musically
【单选题】Yangzhou bear is _____ and is sold all over the world. [ ]
A.
of high quality
B.
high quality
C.
good quality
D.
of poor quality
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