21.Teachers are some of the most important professionals in the world. They are responsible___21___preparing future generations to become productive and honest citizens, who will___22___to society for the whole of their adult life.Obviously, the most common reason___23___teachers decide to teach is the ability to make a difference. There are many professions that give people the ability to have a( )___24___impact on the world and change people’s lives,___25___few professions have a direct impact on___26___a better society as teachers do. People tend to___27___their teachers for years after they finish school, for good teachers can___28___their students to become something that they___29___thought they could be, or to work___30___a field that they thought they did not___31___.Teachers are also important because they provide___32___for their students. In certain low-income areas___33___some students may not have both of their parents___34___, teachers can provide an important influence that helps their students make the right___35___, even when they are not in the classroom. Generally, teachers’impact on students can last all through their life.以下选项21题答案为()。

217.There was an()of discontent on her face.

A. 　 appearance

B. 　 sight

C. 　 shock

D. 　 expression

89.It was clever()at the answer in two minutes.

A. 　 of him to arrive

B. 　 for him to arrive

C. 　 for his arriving

D. 　 of his arriving

187.-- Hello, is that Mrs.Black speaking?-- Yes, ()who's that?-- Mary.

A. 　 I'm

B. 　 That's

C. 　 She's

D. 　 This is

172.She()into tears when she heard from the hospital that her father died.

A. 　 burst

B. 　 went

C. 　 fell

D. 　 exploded

30.Teachers are some of the most important professionals in the world. They are responsible___21___preparing future generations to become productive and honest citizens, who will___22___to society for the whole of their adult life.Obviously, the most common reason___23___teachers decide to teach is the ability to make a difference. There are many professions that give people the ability to have a( )___24___impact on the world and change people’s lives,___25___few professions have a direct impact on___26___a better society as teachers do. People tend to___27___their teachers for years after they finish school, for good teachers can___28___their students to become something that they___29___thought they could be, or to work___30___a field that they thought they did not___31___.Teachers are also important because they provide___32___for their students. In certain low-income areas___33___some students may not have both of their parents___34___, teachers can provide an important influence that helps their students make the right___35___, even when they are not in the classroom. Generally, teachers’impact on students can last all through their life.以下选项30题答案为()。

A. 　 in

B. 　 on

C. 　 as

D. 　 at

106.()he comes, we won't be able to go.

A. 　 Except

B. 　 Unless

C. 　 Without

D. 　 Even

196.Seven years have passed()I came to America.

A. 　 since

B. 　 from

C. 　 for

D. 　 when

162.请选出读音不同的选项。()。

A. 　 bridg(es)

B. 　 fac(es)

C. 　 cak(es)

D. 　 pag(es)

202.请选出读音不同的选项。()。

A. 　 liberation

B. 　 relation

C. 　 question

D. 　 attention

154.Bob is()rude that everyone dislikes him.

A. 　 so

B. 　 too

C. 　 very

D. 　 such