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联系实际论述外语教师在外语教学中应如何进行有效的言语示范。
可以说CE资源是硬资源,Walsh码资源是软资源,都可以在基站内共享使用。()
与外国人沟通时哪些话能说,哪些话不能说取决于()
元谋猿人及其文化
简述二期止血缺陷筛检试验的选择和应用。
肝细胞生长因子可直接由成年动物的肝脏中获得。
学生读者每册图书可借阅期限为90天
食管癌的临床表现()。
男,34岁,腹部砸伤4小时,查体见四肢湿冷。腹肌紧张,全腹压痛反跳痛。有移动性浊音,肠鸣音消失,该病人目前应进行的处理不包括()
过长方体一侧面的两条对角线交点,与下底面四个顶点连得一四棱锥,则四棱锥与长方体的体积比为多少?( )
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An emergency bilge pumping system is provided and should be () of the main bilge...
An emergency bilge pumping system is provided and should be () of the main bilge...
The emergency bilge suction or bilge () is used to prevent flooding of the ship.
The emergency bilge suction or bilge () is used to prevent flooding of the ship.
The emergency bilge suction or bilge injection valve is used to prevent () of th...
The emergency bilge suction or bilge injection valve is used to prevent () of th...
When installed for bilge pumping or ballast duty, centrifugal pumps require a ()...
When installed for bilge pumping or ballast duty, centrifugal pumps require a ()...
The ()pump is usually used as the emergency bilge pump.
The ()pump is usually used as the emergency bilge pump.