[单项选择]

The "Karat" marking on jewelry tells you what proportion of gold is mixed with other metals. If 14 parts of gold are mixed with 10 parts of base metal, the combination is called 14-Karat (14K) gold. The higher the Karat rating, the higher the proportion of gold in the object. The lowest Karat gold that can be marketed in the United States is 10-Karat gold. Jewelry does not have to be marked with its Karat quality, but most of it is. If there is a Karat quality mark, next to it must be the U.S. registered trademark of the person or company that will stand behind the mark, as required by the National Gold and Silver Stamping Act.

Gold which is 10 Karats in proportion（）in the U.S.
A. represents the highest grade of gold
B. cannot be sold
C. never carries a Karat quality mark
D. represents the lowest-grade gold marketable

[单项选择]

The "Karat" marking on jewelry tells you what proportion of gold is mixed with other metals. If 14 parts of gold are mixed with 10 parts of base metal, the combination is called 14-Karat (14K) gold. The higher the Karat rating, the higher the proportion of gold in the object. The lowest Karat gold that can be marketed in the United States is 10-Karat gold. Jewelry does not have to be marked with its Karat quality, but most of it is. If there is a Karat quality mark, next to it must be the U.S. registered trademark of the person or company that will stand behind the mark, as required by the National Gold and Silver Stamping Act.

If a ring is stamped 24K, it has（）
A. 204 parts of gold
B. 24 parts of gold
C. two and four-tenths parts of gold
D. 10 parts of gold

[单项选择]You ought to do ______ he tells you.
A. where
B. because
C. as
D. which

[单项选择]You ought to do ______ your mother tells you.
A. when
B. while
C. as
D. that

[单项选择]As a soldier, you ______ do as the head tells you.
A. will
B. shall
C. may
D. ought

[单项选择]The author tells you that one of the best bait to use for fishing is ______.
A. worms
B. insects
C. peanut butter
D. smaller fish

[单项选择]The phrase "first-come, first-served" tells you that ________.
A. people can buy the tickets on the first day only
B. the person who is first to arrive will receive a ticket at no charge
C. food and drink will be served at the auction
D. tickets are sold in the order of who arrives first to buy them

[单项选择]The last paragraph tells us that when you are absolutely scared,
A. you will work hard.
B. you may die and become a stone.
C. you cannot move at all.
D. you may want to find a stone.

[单项选择]

以下能从字符串"VisualBasic"中直接取出子字符串"Basic"的函数是（）。

A. Left
B. Mid
C. String
D. Instr

[单项选择]

Passage Four
Stanley Williams, "Tookie", has been in prison for 20 years. He is on Death Row for murder. He helped start the Crips gang in Los Angeles before he went to prison. Now he wants to help young people stay away from gangs and prison. He and Barbara Becnel have written many books for young people about gangs and prison.
A man from Switzerland has nominated Williams for a Nobel Peace prize. The Nobel Prize is given to people who have done the greatest good for people of the world. Williams does not believe he will win, but he is proud that he was nominated. Williams wants to make up for his role in gangs and murder by doing good. Williams’ most recent book is called "Life In Prison". Williams talks about the violence in prison and how prison life can make people crazy.
Prison officials say that Williams has been in trouble in prison. He spent 6. 5 years in solitary confinement (kept in his cell for most of every 24
A. He had nothing else to do,
B. He wanted to prevent young people from getting into gangs.
C. He wanted to get rich.
D. He wanted a Noble Priz