单词拼写。

1.  Your support is _______( 关系重大的 )  for the success of my plan.

2.  After the meeting,he raised a lot of ______ ( 复杂的) questions.

3. The nurse wrapped carefully the b _______round his injured leg.

4. They awarded him a medal for his b _____ in battle.

5.  Fever is an obvious ______ ( 症状)  of illness.

6.  He lay on the floor, _________ ( 流血) heavily.

7. Everyone arrived late at the the party for a v_____of reasons.

8. Her foot was so s______that she couldn't walk.

9.  After s______ out the water out of the shirt,she hung it in the sun.

10. Many students found t_____ jobs during their summer holidays.

溶液颜色检查法是检查（）

A．不溶性杂质

B．遇硫酸易炭化的杂质

C．水分及其他挥发性物质

D．有色杂质

E．硫酸盐杂质