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【单选题】
关于共轴球面腔，下列哪个说法不正确：A.
两个相互平行的平面反射镜构成FP腔
B.
共轴球面腔的反射镜的反射面可以为平面、凹面或凸面
C.
严格共轴的两镜球面腔，几何损耗可能很大
D.
共轴球面腔总是可以将近轴光线限制在腔内往返传播而不逸出腔外
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举一反三
【单选题】The door opens to reveal a row of desks, blackboards dense with chalked up grammar and arithmetic, and a shelf ________ books.
A.
filled in
B.
loaded with
C.
involved with
D.
surrounded with
【简答题】药敏试验时报告的"敏感"结果有何临床意义?
【简答题】Here’s How You Can Take the Taxi (出租车) in Japan From train stations or airports (机场), go to the taxi stand and wait (等) there. In the street, look for a taxi that has a red light in the front window. ...
【简答题】三 . 阅读理解( 10 分) Here’ s how you can take the taxi in Japan. From train stations or airports, go to the taxi stand and wait there. In the street, look for a taxi that has a red light in the front windo...
【单选题】以下程序的输出结果是______。 char cchar(char ch) { if(ch＞='A'&&ch＜='z')ch=ch-'A'+'a'; return ch; } main() { char s[]='ABC+abc=defDEF',*p=s; while(* p) { * p=cchar(* p); p++; } printf('% s/n', s); }
A.
abe+ABC=DEFdef
B.
abc+abe=defdef
C.
abcaABCDEFdef
D.
abcabcdefdef
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