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【单选题】
关于传输网技术的说法,错误的是( )
A.
DWDM可以在同一光纤不同波长上传输速率和格式不同的数据
B.
SDH具有灵活的复用映射结构
C.
ASDN支持端到端的业务自动配置
D.
OTN是以SDH和光通道技术为核心的传送网
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【单选题】听力原文:W: I was touched that our neighbor brought over a dish when we moved in. M: Yes. Mr. Smith really goes out of her way for others. Q: What can be inferred about Mr. Smith? (15)
A.
She's a good cook.
B.
She lives far away from the woman.
C.
She often takes trips abroad.
D.
She often helps people.
【简答题】I was deeply touched by the painting I saw in the museum, so I bought this copy.
【单选题】I was touched ___________ her words.
A.
in
B.
by
C.
to
D.
with
【简答题】Complete the following sentences with proper prepositions or adverbs. 1. I like swimming instead _________ skating. 2. A lot of workers are afraid ________ losing their jobs. 3. Who knows what will ha...
【简答题】I was touched _______ her words.
【单选题】离合器上安装扭转减振器的目的是为了防止:
A.
曲轴共振
B.
传动系共振
C.
离合器共振
D.
发动机共振
【单选题】与查耳酮互为异构体的是 :
A.
黄酮醇
B.
黄酮
C.
二氢黄酮
D.
异黄酮
E.
二氢黄酮醇
【单选题】中国的第一所护士学校是谁在哪哪个省哪一年创建的?
A.
1888年,美籍约翰逊在福建省福州市开办。
B.
1889年。美籍约翰逊在福建省福州市。
C.
1888年。丁格尔,广东省开办。
D.
以上都是。
【单选题】与查耳酮互为异构体的是
A.
黄酮
B.
二氢黄酮
C.
异黄酮
D.
橙酮
E.
花色素
【简答题】) I was deeply touched by the painting I saw in the museum, so I bought this copy. (origin)
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