推荐信的写法：
表明目的，表示相关；
具体（ ），具体（ ）；
表达愿望，表示期待。

the effect of our acts upon their disposition 划线单词是什么意思：（ ）

It strikes one that… … 划线单词是什么意思：（ ）

"Fruit flies who were taught to be smarter than the average fruit fly tended to live shorter lives."划线单词average在本句话中是什么意思？（ ）

"Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience."这句话中，修饰changes的定语有（ ）

"Homeless individuals manage to find a shelter that will give them three meals a day and a place to sleep at night."此句先行词是（ ）

Directions: Read the following text. Answer the questions below each text by choosing A, B, C or D.

     As Nature has pointed out before, there are some legitimate concerns about how science prizes — both new and old — are distributed. The Breakthrough Prize in Life Sciences, launched this year, takes an unrepresentative view of what the life sciences include. But the Nobel Foundation’s limit of three recipients per prize, each of whom must still be living, has long been outgrown by the collaborative nature of modern research — as will be demonstrated by the inevitable row over who is ignored when it comes to acknowledging the discovery of the Higgs boson.

The discovery of the Higgs boson is a typical case which involves（ ）.

"As Nature has pointed out before, there are some legitimate concerns about how science prizes — both new and old — are distributed."这句话的定语从句是（ ）

Now researchers suspect that dreams are part of the mind’s emotional thermostat, regulating moods while the brain is “off-line”.请问划线部分是什么状语（ ）

"There is a kind of false precision being hawked by people claiming they are doing ancestry testing."划线部分在文中是什么意思？（ ）

“The presence of other marketers may help expand user traffic for all companies concerned.”划线部分在文中是什么意思？（ ）

"​Many historians have begun to focus on the roles slavery played in the lives of the founding generation."这句话中定语从句是（ ）

“Scientists need to respond forcefully to animal rights advocates.”请问这句话的状语是（ ）

"Proposed legislation is now doing the rounds in Washington, D.C.”划线部分在文中是什么意思？（ ）

Those forced to exercise their smiling muscles reacted more enthusiastically to funny cartoons than did those whose mouths were contracted in a frown, suggesting that expressions may influence emotions rather than just the other way around.

did在文中指代（ ）.

Though all the subjects were drawn from a population of European extraction, care was taken to see that all subjects, friends and strangers were taken from the same population.

See在文中含义为（ ）

Though all the subjects were drawn from a population of European extraction, care was taken to see that all subjects, friends and strangers were taken from the same population.

Be drawn from在文中含义为（ ）

 Classical instrumentalists must compete not only with opera houses, theater companies, and museums, but also with the recorded performances of the great classical musicians of the 20th century.

这句话的谓语是（ ）. 

Though all the subjects were drawn from a population of European extraction, care was taken to see that all subjects, friends and strangers were taken from the same population.

Subject在文中含义为（ ）

Many of them instead become the kind of nuisance-lawsuit filer that makes the tort system a costly nightmare.

这句话的谓语是（ ）。