A、 A journalist.
B、 A tour guide.
C、 A writer.
D、 A government official.

【正确答案】 B

【答案解析】解析：从“Before we start our tour today of the Senate．”可知这是导游在讲解。

A、 Farmers.
B、 Clerks.
C、 Members of Congress.
D、 Members of Labor Unions.

【正确答案】 C

【答案解析】解析：从“only members of Congress may introduce a bill．”可知C正确。

A、 Clerk who jumps on one foot.
B、 A bill.
C、 A box.
D、 A vote.

【正确答案】 C

【答案解析】解析：从“In the House，representatives place their bills in the hopper which is a box on the clerk’s desk．”可知。

A、 Only a Congressional staff member.
B、 Congressional staff member, business, labor and farm groups, government agencies and White House staff.
C、 Every citizen of America.
D、 Government agencies and White House staff.

【正确答案】 B

【答案解析】解析：文中先后提到三批人员可以起草法案。故B正确。

A、 The floor of the Senate.
B、 Labor Unions.
C、 Joint sessions of Congress.
D、 Legislative body.

【正确答案】 A

【答案解析】解析：从“In the Senate，senators stand up and introduce bills from the floor of the Senate．”可推知。Senate参议院；Congress国会；draft bills起草议案，法案：legislative body立法机关；joint联合的；sessions会议；the floor of the senate议员席。