freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

高二英語warmingup,speakingreading(參考版)

2024-11-14 06:05本頁面
  

【正文】 s density, the water in the ocean is always moving. More questions of each paragraph Para. 2: What is the chemical structure of water ? ◆ What are different parts of the chemical structure of water ? What does the chemical structure of water work ? Two hydrogen atoms and one oxygen atom . Positive end , negative end . It causes water to be able to dissolve both solids and gases . ◆ ◆ Para. 3: What is salinity ? What are different parts of salinity ? How does salinity work ? What are some examples of salinity ? Dissolved gases and solids mixed with pure water Dissolved gases and solids , pure water . It affects water’s weight and freezing point . Ocean water . ◆ ◆ ◆ ◆ Para. 4 What is density ? What are different parts of density ? How does density work ? What are some examples of density ? Density is the relationship between mass and volume . Mass and volume . A less dense substance floats on a more dense substance . Water (1,000 kg/m3 ) 。What’s thi
點擊復(fù)制文檔內(nèi)容
教學(xué)課件相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號-1