冠心病心绞痛疼痛的性质为（）
A.针刺样疼痛
B.刀割样疼痛
C.压迫性疼痛
D.跳痛
E.隐痛
参考答案：C
用所给单词的正确形式填空 。
1. Tom is (athletic) than his brother.
2. My sister is much (thin) than me.
3. Pedro is a little (outgoing) than Tom.
4. English is not as (difficult) as Chinese.
5. Which one do you like (good), the yellow one9 the green one or the red one?
干散货装卸特点有哪些？
