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【单选题】
短波（近）红外线与长波（远）红外线的分界线是（）A.
100nm
B.
1000nm
C.
1μm
D.
1.5μm
E.
10μm
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举一反三
【简答题】In 1956 Phoenix, Arizona, was a city with boundless blue 1 . One day as I walked around the house with my sister Kathy’s new parakeet （小鹦鹉）on my finger, I wanted to show Perky what the sky looked like...
【单选题】结核性脑膜炎中期的表现是
A.
不规则发烧伴性格改变、呕吐、阵阵烦躁不安
B.
反复惊厥、昏迷伴角弓反张
C.
不规则发烧伴精神食欲缺乏、消瘦
D.
发热、头痛、嗜睡、颈阻阳性，克、布氏征阳性
E.
不规则发烧，咳嗽、痰中带血、神萎消瘦贫血
【单选题】As used in the passage, the word 'gargle' means______.
A.
to wash one's mouth and throat with a liquid in motion by breathing through it
B.
to eat something with a continuous and often audible action of one's jaws
C.
to bite and work in the mouth with one's teeth, especially to make it easier to swallow something
D.
to cause or allow something, especially food or drink, to pass down one's sore throat
【简答题】用所给词的正确形式填空. 1. He is leaving the____(one) week in June. 2. She is going bike____(ride) with her friends this Sunday. 3. I want to take an____(excite) vacation. 4. He plans ____(buy) his son a compute...
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