皮皮学，免费搜题
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【简答题】
Complete the information by writing one word in each space.The first letter of each is given. 1 Please fasten your seat belts for t o . 2 Passengers in b class can board now. 3 Please show your b p on request. 4 To call a f a , please press the button above your head. 5 Flights to London: please c i at desks 12-16. 6 You must not leave your l unattended at any time.
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】The main difference between Early Modern English and Late Modern English is on _________.
A.
vocabulary
B.
phonetics
C.
grammar
D.
discourse
【简答题】简述采样必须遵循的原则。
【简答题】简述采样必须遵循的原则。
【简答题】简述采样必须遵循的原则。
【简答题】简述采样必须遵循的原则。
【简答题】简述采样必须遵循的原则。