
根据压缩气体和液化气体的理性性质,分为三项:易燃气体、不燃气体、()。
A、有毒气体
B、助燃气体
C、窒息气体


A、有毒气体
B、助燃气体
C、窒息气体
Section A
Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. You may not use any of the words in the bank more than once.
Women in 2011 made no significant gains in winning more top US business jobs, according to a study, but the head of the study said women are poised to make 1 in the year ahead.
The number of women who were board directors, corporate officers or top earners at Fortune 500 companies remained 2 unchanged, said the study by Catalyst, a nonprofit group that 3 opportunities for women in business.
The percentage of companies with women on the board of directors was 15.1 percent this year, compared with 14.8 percent in 2010, Catalyst said.
Also, the percentage of corporate officer positions 4 by women was 15.7 percent in 2011 and 15.4 percent in 2010,it said The percentage of top earners in 2011 who were women was 6.2 percent, compared to 6.7 percent in 2010, it said.
The research on the Fortune 500 companies was 5 on data as of March 31, 2011. The slight changes in the numbers are not considered 6 significant, Catalyst said.
Nevertheless given the changes in U.S. politics, the figure for women in business looks more 7 ,said Ilene Lang, president and chief executive 8 of Catalyst.
“Overall we're 9 to see change next year," Lang said “When we look at shareholders ,decision makers,the general public, they are looking for change.
"What they are basically saying is, “Don't give us 10 of the status quo (现状). Get new ideas in there, get some fresh faces,"" she said.
A) officer B) changes C) based D) positions E) more
F) promising G) businesslike H) surveying I) essentially J) strides
K) promotes L) statistically M) confused N) held O) expecting
在进行模块化程序设计的时候,应首先完成每个模块的编写调试,再集中考虑主程序中的算法。