以下哪项不属于过敏性紫癜的临床表现（）
A.皮肤瘀斑
B.腹痛便血
C.关节疼痛及肿胀
D.肉眼血尿
E.血小板减少
参考答案：E
用所给词的适当形式填空。
1. Today is Tuesday, March ______________ (twelve).
2. What a wet, ______________ (snow) day!
3. Dad usually ______________ (teach) me English at home.
4. I want ______________ (learn) painting.
5. Can your brother ______________ (skate)?
做大包回转台旋转检查时，将大包回转台旋转360度无故障，即表示大包回转台无故障。
