Because both can be wiped out by accidents.
Because both can be trained to work better.
Because both can be expanded.
第1题：
Why does the woman plan to go to town?
A．To pay her bills in the bank.
B．To buy books in a bookstore.
C．To get some money from the bank,
第2题：
Why is it difficult to refer to the donor ofDNA?
A、Because the woman or women who supplied the egg and gave birth to the infant would more appropriately be called Mother.
B、Because a traditional father supplies only half the DNAin a child.
C、Because it is hard to clearly define the identity or the role of
第3题：
By quoting (引用) the remark of a being from another planet, the author intends to __________.
A． suggest human beings are controlled by a clock
B． describe why clocks can rule the planet Earth
C． tell readers what clocks look like
D． compare clicks to human beings
第4题：
When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）
第5题：
请听第9段材料，回答15至17题。
第15题：Why does the woman come to the man?
A． To greet him
B． To ask for information
C． To talk about the neighbors
第6题：
Why does the woman plan to go to town？
A To pay her bills in the bank. B To buy books in a bookstore. C To get some money from te bank.
第7题：
A. The memory is failing.
B. The CPU is overheating.
C. The hard drive is not attached properly.
D. The operating system is not installed.
第8题：
Why does the woman invite the man to tea？
A.She needs some friends to talk with.
B.She will give the man some useful information.
C.She needs some help from the man.
第9题：
Why does the woman plan to go to town?
A. To pay her bills in the bank. B. To buy books in a bookstore. C. To get some money from the bank
第10题：
A technician has lost a necessary jumper for a new hard drive that must be installed immediately.Which of the following is the BEST solution?（）