1、求sat online course的答案

不要详解，就要最简单的abcde,多谢了！

2、新SAT5月亚太真题语法第二篇19题不懂，求大神指点

s clock tower Big Ben from collapse.

A.No Change

B.Burland is

C.His being

D.DELETE the underlined portion

想知道这道题为什么会选择D~D的话是说明后面的内容是JB的同位语，但是前面 半句是完整的句子吗？不太懂这种表达法~求指点~~多谢多谢！！", 'contentText': "Enter committee member John Burland, he is a geotechnical engineer from England who saved London's clock tower Big Ben from collapse.

A.No Change

B.Burland is

C.His being

D.DELETE the underlined portion

想知道这道题为什么会选择D~D的话是说明后面的内容是JB的同位语，但是前面 半句是完整的句子吗？不太懂这种表达法~求指点~~多谢多谢！！", 'supply': '划线部分是HE IS

3、求这几道SAT题的答案。

1. The comet has recently changed direction toward Jupiter, which is leading scientists to wonder about the composition of the object.

(A) which is leading scientists to wonder about

(B) this development leading scientists to wonder about

(C) and with it scientists’ wonder of

(D) a development leading scientists to wonder about

(E) this leading scientists to wonder on

2. The rare-earth metal dysprosium, being a member of the lanthanide series, and is in group IIIb of the periodic table.

(A) dysprosium, being a member of the lanthanide series, and is in group IIIb of the periodic table

(B) dysprosium is a member of the lanthanide series, it is in group IIIb of the periodic table

(C) dysprosium, a member of the lanthanide series, is in group IIIb of the periodic table

(D) dysprosium is in group IIIb of the periodic table being a member of the lanthanide series

(E) dysprosium, to be a member of the lanthanide series, is in group IIIb of the periodic table

3. By the time she was twenty-one, Jane Austen had begun writing a novel which she initially titled First Impressions and which she later called Pride and Prejudice, this is a book that many fans consider her best work.

(A) this is a book that many fans consider her best work

(B) since many fans consider this her best work

(C) the best work that many fans considered it to be

(D) a book that many fans consider her best work

(E) it is considered by many fans as her best work

4. At only four-feet-eight inches and ninety-four pounds, a small frame being necessary for a gymnast, Mary Lou Retton captured the hearts of the American people and won a gold medal in the 1984 Olympic Games.

(A)a small frame being necessary for a gymnast

(B) having a small frame necessary for a gymnast

(C) being small frame necessary for a gymnast

(D) a small frame necessary for a gymnast

(E) because her small frame is necessarily for gymnasts

4、SAT真题下答案

SAT真题下（共5份题）第二套和第三套题答案

第二套和第三套的答案急呀谢谢！！！（满意的追加50分）

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