抢险救援靴皮质部分应至少每月上油一次,以保持柔软和整体防水性能。
参考答案:错
If you want to ________ a pleasant visit, find out as much as possible about the manners and customs of your host country.
A.ensure
B.deserve
C.secure
D.serve
女性2个月,生后即发现左上唇、腭部裂开。查:左上红唇至鼻底完全裂开,口内见悬雍垂至左上牙槽嵴的整个腭部裂开,与左鼻腔相通。对该患儿采用序列治疗时,其治疗时间安排为
语音评价及语音治疗时间是()
A.1~2岁
B.3~6个月
C.9~12岁
D.4~6岁
E.16岁以后