四、词汇运用（本大题共8分，每小题1分）

(A) 根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式。

1. Nowadays, there are many useful things around us. But it’s a pity that we don’t know the names of the most ____________ (发明者).

2. Everyone hopes to live ____________ (和平地) with their family in the world.

3. With the development of modern science and technology, it’s not hard for us to ___________ (设想) the life on the moon.

4. With the help of classmates, the little boy was ____________ (成功的) in climbing to the top of the mountain.

(B) 根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。

5. How ________(luck) the writer felt! He missed the chance to win the prize.

6. In his forties he became __________ (wealth) through hard work.

7. Mike felt sleepy at the concert because he __________ (simple) has no interest in music..