3 . Some say the meaning of Mona Lisa’s smile is________ clouded by da Vinci who used perspective and shadows to create a________ expression.

A．purposefully; confused	B．dramatically; confused
C．purposefully; confusing	D．dramatically; confusing

4 . Though my recent quiz scores are ______, my teacher as well as my parents always ______ me.

A．discouraging; encourages	B．discouraged; encourages
C．discouraging; encourage	D．discouraged; encourage

7 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（╲）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词；
注意：每处错误及其修改均仅限一词。每题仅有一处错误。
1. Mark is a genius. By the time he graduated, he had offered jobs by a couple of computer companies.
2. Emojis, dated back to the 1990’s, are small symbols representing ideas, emotions or feelings.
3. Phone boxes are hard to find, and the main reason for this is simply because we don’t need them any more.
4. To make advertisements attractive, huge amounts of money is spent in applying modern design techniques.
5. Henry was happy to withdraw from social life, seeking a harmony relationship with nature in his quiet life.
6. They are putting innocent lives in risk by starting boundary conflicts.
7. I find this impossible to cooperate with him for mutual benefits.
8. There is an urgent need for people in developing countries to have an access to drinking water.
9. The tourist industry is vital importance to the national economy.
10. The author provided some supporting arguments to make the point convinced.

8 . 单句改错
1. My son, who is a 18-year-old young man, now is a university student.
2. We may be one family and live under a same roof.
3. The production now is four times that it was ten years ago.
4. The experiment was much more easier than we had expected.
5. He had an astonishing look on his face when he heard the news.
6. It becomes the colder and colder when winter comes.
7. The old man caught the boy by his arm.
8. These documents are not accessible by the public.
9. He studied hard every day, aimed at passing the exam.
10. About 80 percent of web traffic are in English.

9 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号，并在后面横线处写出该加的词。
删除：把多余的词用斜线＼划掉，并在后面横线上写出并划掉。
修改：在错的词下划一横线，并在后面横线上写出修改后的词。
1. It was six years since we last saw each other.
2. Can you write three or four sentences described your hometown?
3. So far this year our team had won every match.
4. I first travelled a long distance by a train when I was six years old.
5. Radio and television are an important mean of the spread of information.
6. Each year, hundreds animals are killed in this way.
7. I listened to a story was told by an old woman.
8. They are such interested books that I want to read them once more.
9. You can easily make up an excuse to avoid go out with him.
10. All of these teachers gave me a lot of informations.