1 . The________ (裁缝) carefully examined the cloth before starting to cut out the garment. (根据汉语提示单词拼写)

2 . Co­operation was more than just an attractive option, it was an ________ (义务). (根据汉语提示单词拼写)

4 . Both the color and________ (样式) of this silk are in good taste. (根据汉语提示单词拼写)

5 . He was in an________ (争论) with his landlord downstairs. (根据汉语提示单词拼写)

6 . The discovery will help scientists unravel the_________ (奥秘) of the Ice Age. (根据汉语提示单词拼写)

7 . He narrowly escaped in the earthquake.(句型转换)
→He ________in the earthquake.

9 . The ________ (diverse) of the shells makes the little boy excited.(所给词的适当形式填空)

10 . Because the moon’s body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send ________ (信号) to the spacecraft and to Earth. (根据汉语提示单词拼写)