单项选择题
Texture measurement by instruments will give a value in degree. CelciusThis scale of measurement is normally used for all readings and temperature values （） dealing with theoretical calculations involving the gas laws.
A.in addition to B.in addition that C.except that D.except when
单项选择题 （） thrust and resistance equal each other, the ship always travels at a constant speed.
单项选择题 （）, we kept removing the pistons.
单项选择题 The value of GM still remains one meter, meanwhile we can pump the ballast water to（） the ship on even keel.
