上颌第一磨牙最小的牙尖是
A.近中颊尖B.远中舌尖C.远中颊尖D.近中舌尖E.以上都不是
参考答案:B
Our monitor requested that ________. [ ]
A. all the class studied more carefully the problem
B. the problem was more carefully studied
C. with great care the problem could be studied
D. all the class study the problem more carefully
我国宪法规定,国家对个体经济、私营经济实行:
A.鼓励、指导和帮助
B.引导、监督和管理
C.指导、监督和管理
D.鼓励、监督和帮助