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【单选题】
黏膜免疫在（ ）发挥效应A.
全身黏膜
B.
接受抗原刺激的局部黏膜
C.
全身淋巴组织
D.
局部淋巴结
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【简答题】阅读理解。 I have a love-hate feeling with 8 o'clock classes. I like to get started that early, but most students don't. They usually came in late and looked sleepy at that hour. One day I was really angry...
【简答题】正常供电电源的容量要满足施工现场所有用电的需求，通常备用电源比正常电源的容量要小。
【简答题】正常供电电源的容量要满足施工现场所有用电的需求，通常备用电源比正常电源的容量要大。
【单选题】A: Have you had breakfast, Lily? B: No. I didn't ______ like eating anything this morning. [ ]
A.
look
B.
sound
C.
feel
D.
taste
【单选题】—Sorry，Mum, I lost my key to the bicycle again． —Oh! How you be so careless! You have to learn to look after your belongings．
A.
can
B.
may
C.
must
D.
dare
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