问题 单项选择题

下列有关ANA的说法正确的是()

A.ANA无器官特异性,有种属特异性

B.ANA无器官特异性,无种属特异性

C.ANA有器官特异性,无种属特异性

D.ANA器官特异性,有种属特异性

E.ANA有器官特异性,有种属特异性

答案

参考答案:B

阅读理解
阅读理解。
    你想知道中西方的节日有何不同吗?快来看看这两封电子邮件吧!
To: Jenny@126.com                     From: Liming@yahoo.com.cn
Subject: Autumn!                          Date: 29/09/ 8:00 p.m.
Hello, Jenny!
    Today is the Mid-Autumn Festival. We will watch the moon tonight, and look for
Chang'e and Wu Gang. We usually eat mooncakes. They are round, like the moon.
    National Day is also in autumn, on October 1st. My mother and father are usually
free for seven days! We will do many things together. I like going to the National
Day celebration.
    But the best thing in autumn is my birthday. It's in October. I will be fifteen
years old. Goodbye.
                                                                           Yours, 
                                                                           Li Ming
To: Liming@yahoo.com.cn                From: Jenny@126.com
Subject: _______!                              Date: 29/09/ 9:12 p.m.
Dear Li Ming,
    Thank you for your e-mail! I love autumn too. In Canada (加拿大), we have an autumn
holiday called Thanksgiving Day. Family members always celebrate it together. I will go
to my grandmother and grandfather's house. My uncles, aunts and their children will be
there too.
    Canadian Thanksgiving Day is in early October. In the USA, they celebrate Thanksgiving
Day in late November.
    Have a good time on your birthday, Li Ming! On my birthday, I have a cake with candles.
Everyone sings the song "Happy birthday". Then I blow out the candles! Will you have a
cake for your birthday?
                                                                            Your friend,
                                                                            Jenny
1. — When is Li Ming's birthday?
   — ______.
[ ]
A. On September 29th
B. In September
C. Before September 29th
D. After September 29th
2. Americans celebrate Thanksgiving Day ______.
[ ]
A. in early October
B. in early November
C. in late October
D. in late November
3. — What do Canadians usually do on Thanksgiving Day?
   — They usually ______.
[ ]
A. eat cakes
B. stay together
C. watch the moon
D. sing a song
4. The subject (主题) of Jenny's e-mail is "______".
[ ]
A. Your birthday
B. My birthday
C. Thanksgiving Day
D. National Day
5. — What must Li Ming and Jenny use when they write to each other? 
   — ______.
[ ]
A. Pens
B. Paper
C. Computers
D. Telephones
单项选择题