皮皮学，免费搜题
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搜题
【单选题】
白矾常用的炮制方法是A.
煅
B.
煅
C.
淬
D.
煅
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】If there were no automatic washing machines, people would have to wash their clothes ______ hand or ______ hand-operated machines.
A.
by; by
B.
with; with
C.
on; with
D.
by; with
【多选题】Which of the following items will appear on the E-ticket itinerary?
A.
ticket fare
B.
date of birth
C.
class of travel
D.
free baggage allowance
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