2011年末全国民用汽车保有量达到一亿零五百七十八万辆,这个数写作______.
一亿零五百七十八万写作:105780000;
故答案为:105780000.
Many British people have noticed that butterflies _______ from its natural habitats during the past several years.
A.are disappearing
B.have been disappeared
C.have been disappearing
D.will have disappeared
患者,女,50岁,缺失,松动Ⅰ度,颊系带附丽正常,周围软组织无倒凹,颊侧主要倒凹区在远中,舌侧主要倒凹区在近中
若采用铸造支架可摘局部义齿修复,应采用哪种连接方式为宜()
A.侧腭杆连接
B.前腭杆+侧腭杆连接
C.唇颊杆连接
D.后腭杆连接
E.前、后、侧腭杆混合连接