Mr Smith wants to purchase an apartment. He has two choices. If he pay all the money immediately, he needs to pay $500,000; If he pays $50,000 at each year end for the following 20 years,the interest

Why is the woman interested in working with Professor Smith？

A．Because she wants to quit her job in the chemistry lab.

B．Because she wants to get practical experience.

C．Because she is interested in psychology major.

D．Because she wants to earn some extra money.

A.home

B.family

C.house

D.room

John Smith wants to kill the Indians in order to get the gold from the Indians.()

A.five-year-old

B.fives-year-old

C.five-years-old

officeMry dropped in ____ Mr Smith, but he wsn’ tt home, so she went to drop in ____ Mr Smith’s office.on, on B．t,t C．on.t D．t. on

A．on, on

B．at, at

C．on． at

D．at． on

What's Mr Smith's phone number？

A．361-3452.

B．631-2345.

C．163-5432.

-- _________？

--This is Mr Smith speaking now.

A.Who are you

B.Who is that

C.Who are you calling

D.What do you want to say

A.teacher

B.scientist (科学家)

C.doctor

D.farm worker