It was until ______ and ______ dynasties that the clay figurine had been substantially produced and became one of the main artworks in the mass's cultural life.

The low inflation has resulted from low prices for mass-produced goods from China.

9-6. The main mass transfer modes<br/>of solid state sintering are ( ). A: evaporation-condensation<br/>mass transfer B: diffusion<br/>mass transfer C: flow<br/>mass transfer D: solution-precipitation<br/>mass transfer

The watches that they______a year ago were poor in quality. A: will produced B: had been produced C: had produced D: produced

Where are the silk products produced? The silk products are produced in __________.

The principal benefit of tariff protection goes to:（  ） A: Domestic consumers of the good produced B: Domestic producers of the good produced C: Foreign producers of the good produced D: Foreign consumers of the good produced

The mass of a proton is (    )

It was a time of mass ______ .

记者招待会 A: conference call B: mass media C: mass press D: press comference

Weight is the result of: A: The force on mass due to gravity B: The action of a falling mass C: How much matter the object contains D: The rate of mass per unit area