乳食积滞腹痛的特点是()
A.阵发性绞痛,得温则舒
B.腹满胀痛,口气酸臭
C.痛如针刺,痛有定处
D.腹部隐痛,痛处喜按
E.腹痛绕脐,时作时止
参考答案:B
下颌第一磨牙的特点是()。
A.面长方形,有五条发育沟
B.舌面外形高点在1/3处
C.邻面外形高点在颈1/3处
D.颊面似长方形,有两个牙尖
E.有两颊一舌3个牙根
用所给单词的适当形式填空。
1. It is time _____ (go) to bed.
2. _____ (not do) that,please! It's dangerous.
3. We _____ (go) fishing if it _____ (not rain) tomorrow.
4. Keep quiet! Mum _____ (listen) to the news.
5. Mr Wang _____ (go) to Shanghai two days ago.