若方阵A=(aij)n×n可逆,且A的每行元素之和都是2,则A-1的每行元素之和为______.
第1题
A.A.obtained
B.B.exchanged
C.C.shifted
D.D.reserved
第2题
She promised her brother that she______ (write) to him.
第5题
Part B
52. Directions:
Suppose your name is Wudong, write a letter to your local English-language newspaper giving your views on a discussion inspired by an article they published entitled "Why do We Need English?"
Your letter must be written in at least 200 words, excluding the addresses, etc. You should write dearly on ANSWER SHEET Ⅱ.
第6题
What should the students write on the paper?
[ A] Their names, phone numbers, and job preference.
[B] The names and addresses of their guests.
[C] Their dormitory names, addresses, and phone numbers.
第7题
We offer product demonstrations to all_______clients, as promised in our advertisements.
A.prevented
B.descriptive
C.potential
D.assured
第8题
What are the people supposed to write on the paper?
A.Their names, telephone numbers and special skills.
B.The names and addresses of friends who can help.
C.The names of the plays they have been in before.
D.Their names and addresses and job history.
第9题
What should the students write on the paper?
A.Their names, phone numbers, and job preference.
B.The names and addresses of their guests.
C.Their dormitory names, addresses, and phone numbers.
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