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患者病室每日应定期开窗通风多长时间?
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【简答题】完形填空 We adopted Luke four years ago. The people from the orphanage (孤儿院) dropped him off at our hotel room without even saying 1 . He was nearly six years old, only 28 pounds and his face was crisscro...
【单选题】为研究影响莴苣种子萌发的因素，科学家进行了如下实验(每组实验种子为100粒)： 根据实验结果，以下结论恰当的是 [ ]
A.
光照是种子萌发必不可少的条件
B.
莴苣种子萌发过程中需要红光提供能量
C.
红光处理可能促进种子细胞内赤霉素的合成
D.
赤霉素为种子萌发提供充足营养
【单选题】( )six people ---- the committee.
A.
are made up of
B.
make up
C.
consist of
D.
are consisted of
【多选题】Washington's National Park Fund was founded in 1993 by a group of enthusiastic parks people who wanted to establish support for our beautiful parks in Washington State. As a non-profit organization, t...
A.
in 1993
B.
Olympic National Parks
C.
28
D.
gift program
E.
volunteer
【简答题】Jeremy Shu-How Lin Date of birth August 23, 1988 Place of birth Los Angeles, California Nationality American Height 1.91 m Weight 91 kg College Harvard University(2006—2010) 根据材料内容，选择最佳答案。 小题1:Jeremy ...
【简答题】The financial cr will be the top issue at this year’s World Economic Forum in Davos, Switzerland. The five – day meeting starts on Wednesday, January 28. More than two thousand five hundred people...
【简答题】在拉刀上开（）槽，可起减小切削宽度，便于切屑清理的作用，一般在拉削（）材料时可以不开该槽。
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