So many end up in tree branches or along highways that a growing number of cities do not allow them at checkouts (收银台). The bags are prohibited in some 90 cities in California, including Los Angeles. Eyeing these headwinds, plastic-bag makers are hiring scientists like Stein to make the case that their products are not as bad for the planet as most people assume.What does the word "headwinds" in paragraph 2 refer to?

So many end up in tree branches or along highways-|||-that a growing number of c

Americans use more than 100 billion thin film plastic bags every year.So many en

To make up, many of them resort to catching up when circumstances allow — whethe

However, a growing number of women who fill allegedly male-dominated jobs are st

That tree，__________ branches are almost bare，is very old.（ ）A. whoseB. of which

[单选题]—Why do you get up so early in the morning,Tarcy？—I generally make it a to be up by 7 to read English.A．plan B.wish C.secret D.rule

[单选题]Passage 3 Why do so many Americans distrust what they read in their newspapers? The American Society of Newspaper Editors is trying to answer this painful question. The organization is deep into a long selfanalysis known as the journalism credibilit

[单选题]The business cycle is made up of many phases and one of them is the expansi

[单选题]The business cycle is made up of many phases and one of them is the expansi

[单选题]The business cycle is made up of many phases and one of them is the expansi