【判断题】进气门早开,增大了进气行程开始时气门的开启高度,增加了进气阻力,增加进气量。进气门晚关,延长了进气时间,在大气压和气体惯性力的作用下,增加进气量。
【单选题】In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.
【单选题】He was __________ after the __________ work. [ ]
【单选题】When the inflation rate ends up being lower than expected,
A.
everyone benefits because money is cheaper.
B.
everyone benefits because price do not increase.
C.
lenders of fixed-rate mortgages generally benefit because they will make higher profits than they had calculated.
D.
borrowers with fixed-rate loans will benefit because their purchasing power will not decline as much.
【单选题】______ are bonds which carry a rate of interest and give the owner the right to exchange the bonds at some stage in the future into ordinary shares according to a prearranged formula.
【单选题】关于幻灯片操作的叙述,正确的是()
A.
在“幻灯片浏览”视图中,不可以用拖动方法改变幻灯片的顺序
C.
在“幻灯片浏览”视图中,能改变幻灯片本身的内容
D.
在幻灯片视图下,利用“编辑”中的“查找”命令,能够搜索幻灯片中的文本对象
【单选题】Many people didn't expect that very successful people______.
A.
can succeed in difficult tasks but fail in very simple ones
B.
aren't clear why they succeed in achieving their goals
C.
tend to feel very lonely when they reach their goals
D.
are born with some special ability to do something well
【简答题】短文该错 The village was always very quietly. The people living there were busy about working in their fields during the day and went to bed early at night, tiring after a long day 's hard work. All of th...