virtually什么意思?

英语语法问题
Because of its vast tracts of virtually uninhabited northern forest,Canada has one of the lowest population density.这里的density为什么一定要用densities,我查了字典,都可以是不可数的用法啊?

Some attributed virtually every important cultural achievement to the inventions of a few结构分析
Some attributed virtually every important culturalachievement to the inventions of a few, especially gifted peoples that, according to diffusionists, then spread to other cultures.
这句中especially gifted peoples that 中people后为什么加了s,还有后面的that 怎么理解?

英语翻译
The former will take virtually no principal risk,no forward open positions,and have no expectations of trading volume.Within the latter group,there is a clear distinction between those that restrict themselves to acting as agents for corporate and/or retail clients
and those that have active trading positions.

有关agree的一道题
Virtually all of the members who attended the meeting ( agreed to ) the president's viewpoint on the issue of budgetary restraints.
文中 agree to 用的是否正确,为什么,

英语翻译
The existence of the giant clouds was virtually required for the Big Bang,first put forward in the 1920s,to maintain its reign as the dominant explanation of the cosmos 98年考研这题给的答案翻译实在有点搞不懂,请问be required for 到底怎么翻译

英语语法语序
It never virtually rains...
Never virtually it rains...哪个队

英语语法解释
____in the Atacama Desert .
横线上填It virtually never rains.如果用倒装的话,该如何填?
Never能放句首吗

The city was virtually destroyed by the earthquake
The city was ( ) destroyed by the earthquake
A.really B. virtually C.truly D.actually答案是B,为什么不是D?
You must behave yourself( )the presence of judge.in&before
为什么答案是in 不是before

“Its fossil record” virtually unchanged over 100 million years,the Ginkgo tree is one of the oldest living species of tree.
这句话引号部分答案说正确,"unchanged over 100 million years,”是修饰“Its fossil record Its fossil record 是作the Ginkgo tree 的同位语吗?如果不是的话,也就是说unchanged 作 Its fossil record 的谓语,可是逗号不是不能连接两个句子吗?

英语翻译
Virtually.I am the one in a million--the chosen one!Apple-pie-order-and-motherhood!

英语翻译
1.在这次活动后,太意识到帮助别人其实只需出一点力.（virtually）
2.为了购书.他向母亲要了一些钱.（ask）
3.字典在英语学习中起了很重要的作用.（play）
4.老师们预言他一定会被大学录取.（forecast）
5.没有什么东西可以来取代这些正规的纪念品.（substitute n.）

virtually和actually做“实际上”解释时,是不可以通用啊
如题

It virtually never rains in the desert.
谁可以给我解释一下这句话为什么是it virtually never rains而不是 never virtually it rains?

英语翻译
she has it virtually won,unless she gets overtired before the game.

语法找错,请高手出手.
Because of its vast tracts of virtually uninhabited northern forest,Canada has one of the lowest population density in the world.

英语翻译
1.It is virtually impossible to estimate the number of people in the world who have acquired an adequate working knowledge of English in addition to their own languages.
2.The purposes for which English is learned and the situations in which such learning takes place are so varied that it is difficult to define and still more difficult to assess what constitutes an adequate working knowledge for each situation.
3.他能考上大学是多亏了他妈妈的鼓励.
4．她太善良,上了那老妇人的当,被骗去l万元.
5．低收入家庭往往更需要住房而更买不起住房.
6．你觉得那个躺在路边的人是跌倒了还是故意骗过路人?

一个很怪的英语语法
在一本杂志上看到：That it is on its way to being virtually wiped out is not.翻译成：它不会消失.
请问这句英语怎么断句?

英语语法问题
Because of its vast tracts of virtually uninhabited northern forest,Canada has one of the lowest popultion densities in the world.请问为什么population densities要用复数形式?