1、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

2、一道SAT数学题，要说出题目的意思和答案详解

the first of a sequence of numbers is 1.If each term after the first product of -2 and the preceding term,what is the sixth term of the sequence

3、速求Sat改错题目的答案

1.America’s first roller coaster ride, which opened in 1884 at Coney Island, Brooklyn, and capable of a top speed of only six miles per hour. No error

2.Over the past two years, apparel manufacturers have worked to meeting the revised federal standards for the design of uniforms. No error

3.Storing bread in the refrigerator delays drying and the growth of mold but increase the rate at which the bread l oses flavor .

4.According to last week’s survey, most voters were disappointed by legislators’ inability working together on key issues

5.When Marie Curie shared the 1903 Nobel Prize for Physics with two other

scientists — her husband Pierre Curie and Henri Becquerel — she had been the first woman to win the prize.

6.Every spring in rural Vermont the sound of sap dripping into galvanized metal buckets signal the beginning of the traditional season for gathering maple syrup.

7.Those investors who sold stocks just before the stock market crashed in 1929 were either wise or exceptional lucky

8.

Most of the hypotheses that Kepler developed to explain physical forces were later rejected as inconsistent to Newtonian theory.

9.The Empire State Building, the Sears Tower, the Canadian National Tower — each of these structures was the tallest in the world at the time they were built.

10.The cost of safely disposing of the toxic chemicals is approximately

five times what the company paid to purchase it.

4、SAT数学题 答案5940 我认为是5740，请解答。

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