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- We had trouble finding a pure water supply.
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- 共用题干 第一篇Exercise Lowers Employers Health CostsCompanies can save millions in health-care costs simp...
- Make sure the table is securely anchored.
- The walls are made of hollow concrete blocks.
- 共用题干 Teaching Math,Teaching AnxietyIn a new study about the way kids learn math in elementary schoo...
- 共用题干 A Health ProfileA Health profile is a portrait of all of the factors that influence your healt...
- 共用题干 第三篇Trying to Find a PartnerOne of the most striking findings of a recent pol!in the UK is that...
- These are defensive behavior patterns which derive from our fears.
- 共用题干 Using HIV Virus to Cure CancerScientists are planning to use human immuno deficiency（免疫缺陷）viru...