树脂可以分为:香树脂类、()、树胶树脂类。
参考答案:硬树脂类
. ---Does your sister have a new watch?
----________. Well, she has a new clock.
A.Yes, she does
B.Yes, she is
C.No, she doesn’t
D.No, she isn’t
女,58岁,腰背疼痛1年,由静止状态开始活动时出现疼痛,尤其是弯腰过久后,再挺起身时疼痛更重。无压痛及放射痛。查:T37.1℃,BP120/75mmHg,血尿常规无异常
进一步确诊检查,最好做()
A.X线检查
B.B超
C.SPA
D.DPA
E.QCT