What's the difference between "lighter" and "less"? Is B wrong also because "lighter" cannot be used as an adverb? Thanks in advance. In that part of the sentence, we're trying to modify "8.1 grams". You can't write that 8.1 grams is "lighter" than ...

by the way, the same principle is at work when a noun is modified/described with another noun ("appositives"). e.g., He lives in Benton Harbor, an old industrial town on Lake Michigan. again, both pieces work individually: He lives in Benton Harbor. He lives in an old industrial town on L...

I was also confused by choice D. After I read all the posts in this thread, I understand why A is better than D. Thank you all.

In addition, when the required space is reduced from thirty inches to fifteen inches, the farmer should grow four times plants than before xD

Even though Jamie has explained why C is wrong, I am still confused. In Jamie's post: BEAM robots are not being programmed to walk but instead using brainlike circuits called neural networks and learning to walk through trial and error 1) "not being programmed" is a different meaning from ...

Dear instructor, could you please explain why B is wrong? (B) It discusses an exception to a general principle outlined in the first paragraph. In the first paragraph: the management philosophy known as Total Quality Management (TQM), ... , can work successfully in conjunction with two older managem...

Dear instructor, I have a questions about this problem, see second paragraph: However, empirical knowledge about the relative roles of large and small firms is generally based upon anecdotal evidence and case studies, and such evidence has proved inadequate to answer major questions concerning the r...

Hi Ron Thank you for your reply. I did read all the posts in this thread. And I didn't see anyone asked about the "principle", so I posted my question. I think I misunderstood the word "principle" before. (to justify choice B, the first paragraph would have to be something like &...

After I read the instructor's explanations, I understand that B is the best answer. But after I read last several posts in this thread, I came up some thoughts about D. The conclusion is " So the president's choice was clearly motivated by sound budgetary policy, not partisan politics. ". ...