Due to
because
attributable to
on account of 用法有和区别？？？？？？？
1 Sunspots, vortices of gas associated with strong electro-magnetic activity , are visible as dark spots on the surface of the Sun but have never been sighted on the Sun’s poles or equator
A)
B) are visible as dark spots that never have been sighted on the surface of the Sun
C) appear on the surface of the Sun as dark spots although never sighted at
D) appear as dark spots on the surface of the Sun, although never having been sighted at
WHT THE ANSWER IS “C” NOT “A”
How do u know that it emphesize the sunspots???????
2 (Added to the increase in hourly wages requested last July, the railroad employees are now seeking an expanded program of retirement benefits)
A)
D)In addition to the increase in hourly wages that were requested last July, the railroad employees are now seeking an expanded program of retirement benefits
E) In addition to the increase in hourly wages requested last July, the employees of the railroad are now seeking an expanded program of retirement benefits
“D” OR “E” WHICH IS THE RIGHT ANSWER????
是不是这样更好：In addition to the increase in hourly wages requested last July, the railroad employees are now seeking an expanded program of retirement benefits ????????
3 A controversial figure throught most of his public life , the Black leader Marcus Garvey advocated (that some Blacks return to Africa,the land that, to him, symbolized the possibility of freedom)
A)
B)that some Blacks retrun to the African land symbolizing the possibility of freedom to him
WHY THE ANSWER IS “A” NOT”B”?????? IS ‘A” WORDY?????
4 请问：：AS WELL AS 可不可以连 名词 eg. n , n , as well as n. ??????
5. Building large new hospitals in the bistate area would constitute a wasteful use of resources, (on the basis of avoidance of duplicated facilities alone.)
A)
B) on the grounds of avoiding duplicated facilities alone
C) solely in that duplicated facilities should be avoided
D) while the duplication of facilities should be avoided
F) if only because the duplication of facilities should be avoided
哪个对？？？？ON THE GROUNDS OF DOING 形式对吗？可以这样说吗？？
是否应该主动优先？？
1.不是强调sunspots,而是强调sunspots出现的地方，从句意上理解，画线部分应该和Sun’s poles or equator构成比较。
2.不知道：（
3.B中symbolizing的动作发出者不明确，是land,还是some blacks return to the African land这个动作本身？
4.可以阿 eg:the coach, as well as the team, is ready.
5.hehe,这道题我也问过，未果。书上答案是E吧，但我总觉得if放在这儿怪怪的。B中alone的位置不符合习惯，意思也解释不通。on the ground of 以。。为理由、借口，句子意思不对吧。
