The material in the passage could best be used in an argument for ______.A．discontinuing t

In manufacturing, cheaper materials are being substituted ____ the better.

Which of the following is the reason for the differences in clothing？ ______ .A．Materials

A: May I smoke here？ B: If you ______, choose a seat in the smoking section.A．shouldB．coul

It is time we stared to think seriously about the growing shortage of raw materials in the

In the first paragraph the word“environments”coul

45A deficiency in characteristics that render the quality of the material/service unaccept