一般由台帽和由竖向面板、拉杆、锚定板及其间填料共同组合的台身组成的是( )。
A.埋置式桥台
B.加筋土桥台
C.设有支撑梁的轻型桥台
D.钢筋混凝土薄壁桥台
参考答案:B
It’s 8 o’clock. My mother is reading a book. My sister and I _____.
A.is doing my homework
B.am doing my homework
C.is doing our homework
D.are doing our homework
最易造成持久性低血糖症,老年病人不宜选用的降血糖药是
A.正规胰岛素B.格列吡嗪C.甲苯磺丁脲D.氯磺丙脲E.低精蛋白锌胰岛素