54.关于心肌梗死的叙述,下列哪项是错误的
A. 梗死多发性生在左心室前壁及室间隔前 2/3
B. 梗死区可有血栓形成
C. 梗死灶累及心脏膜下层心肌不超过心肌厚度一半为心内膜下梗死
D. 病变多属于出血性梗死
E. 最常见的为透壁型心肌梗死
Choose the best answer.Mr. Brown doesn’t want to buy ______.
A. porcelain
B. combs
C. bracelets
What kind of wooden products does Mr. Brown choose? ______
A. Wooden combs
B. Wooden sculptures
C. Wooden penholders.
What are good presents for the elderly? ______
A. Combs
B. Jade talismans
C. Handicrafts.