皮皮学，免费搜题
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搜题
【多选题】
听对话选出所有正确的答案。A.
They can get clues to our past from old family pictures.
B.
They are only interested in important events and people.
C.
They can find the size of the family in the past.
D.
They can recognize the fashionable style in clothes in the past.
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皮皮学刷刷变学霸
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【简答题】水泥混凝土拌合试验使用拌合机拌合混合料前,应先用少量砂浆进行涮膛,再刮出涮膛砂浆,以避免正式拌合时水泥砂浆黏附筒壁的损失。涮膛砂浆的与正式配合比相同__、__。
【单选题】According to the passage, continuing unemployment may cause ______.
A.
absence of humor
B.
lack of interest
C.
waste of time
D.
loss of appetite
【简答题】脂肪也是人体的三大产能营养素之一,每克脂肪在体内分解大概能产生 千卡的能量。
【单选题】According to this passage, unemployment may ______
A.
cause people to lose touch with reality
B.
completely destroy people's life patterns
C.
lessen interaction with people
D.
reduce people's chances of promotion