1月后,患者皮疹完全消退,但仍觉右侧胸背部疼痛难忍,最可能的原因是
A.肩周炎
B.心绞痛
C.带状疱疹后遗神经痛
D.痈病
E.椎间盘突出
参考答案:C
读45页3a,判断正T、误F。
( )1. They have yellow T-shirts.
( )2. The price of the sweaters is very good—only ¥25.
( )3. From the passage we know they have two kinds (种类) of bags.
( )4. For boys, you can buy socks for only five dollars each.
( )5. You can buy a dictionary at Huaxing Clothes Store.
多普勒频移()
A.与反射体速度成正比
B.在脉冲多普勒系统中较大
C.在声强极高时较大
D.取决于所以探头振元数
E.与反射体速度没有关系