2 . In 1963 the UN set up the World Food Program, one of_________purposes is to relieve worldwide starvation.（用适当的词填空）

3 . 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
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：在错的词下画一横线，并在该词下面写出修改后的词。
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分。

China has successful landed a robotic spacecraft on the far side of the Moon. This is the first time that a craft had landed on the far side that has never been exploring. The Chang'e-4 probe is carrying equipments to analyze the region's geology and conducted a series of experiments.The Chang'e-4 probe has already sent back it first pictures from the surface, that were shared by state media. As previous Moon missions have only landed on the Earth-facing side, so the landing is seen as a major milestone(里程碑)on space exploration.A last crewed landing was Apollo 17 in 1972.

4 . It is the third time that she has won the race, ________ has surprised us all.

A．that	B．where
C．which	D．what

5 . I often think of my old friend Henry, most of _____ letters I still keep.

A．his

B．who

C．whom

D．whose

6 . Edison made a lot of inventions, ___________of great importance.

A．which I think are	B．which I think they are
C．I think they are	D．that I think are

7 . It’s based on the idea        all people are created equal,       is accepted by most people.

A．that; that

B．which; which

C．which; when

D．that; which