瓢虫若虫体长性或纺锤形，体表具红色、黑色、白色、黄色条纹或板块，身体两则没有明显刺瘤。
参考答案：错
改错。
( ) 1. I can only play on the morning. ________________
A B C
( ) 2. Where are you going to? ________________
( ) 3. We are finding for food. ________________
( ) 4. Do your mother go to work by bike? ________________
( ) 5. She usually goes to the bed at nine o'clock. ________________
( ) 6. It's time for get up. ________________
( ) 7. Lucy eats the dinner at ten. ________________
( ) 8. My watch is broke. ________________
( ) 9. He goes out and his family. ________________
( ) 10. We don't go to school in Sunday. ________________
以下哪一种不是组织损伤所产生的化学性刺激物质（）
A.组胺
B.5-羟色胺
C.吗啡
D.缓激肽
E.乙酰胆碱
