阅读理解。
Peter: Look, it's Tom's family photo.
Jim: Is this girl his sister?
Peter: Sorry, I don't know. Tom, is this your sister.
Tom: Yes, it's my sister. Her name is Linda.
Jim: How about this woman? Is she your mother?
Tom: No. She is my aunt. She is a policewoman. Her name is Carol. These
are my parents. My father Frank is a doctor and my mother Sarah is a teacher.
Peter: Who is this baby?
Tom: Guess! Yes, it's me! I'm only 2 years old in the photo.
Jim: Are these two old people your grandparents?
Tom: Yes, they are. They're professors(教授).
|
1. Carol is Tom's __________.
A. mother
B. aunt
C. sister
2. Linda is ___________.
A. 2 years old
B. 7 years old.
C. I don't know
3. Sarah is a __________.
A. doctor
B. policewoman
C. teacher
4. Frank has ________ children.
A. one
B. two
C. three
5. Tom's grandfather is a ______________.
A. professor
B. teacher
C. doctor
在不同条件下的还原产物较复杂，有时难以观察到气体产生）。