主要用于前牙,桥体唇面稍向唇侧,与黏膜接触部分无压迫
A. 盖嵴式桥体
B. 改良盖嵴式桥体
C. 悬空式桥体
D. 单侧接触式桥体
E. 舟底式桥体
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Section ADirections: This section is to test your listening ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.
A. Too little sleep.
B. Too much sleep.
C. Alcohol.
D. A bad cold.
某地进行乡人大代表选举,一选区应选举代表3名。在各政党、各人民团体和本选区选民提名基础上,乡选举委员会分别征询有关方面意见,最后确定正式候选人3人。经过投票选举,获得参加投票选民过半数选票的候选人中,只有1人系原确定的正式候选人,另2人系选民自发投票选出的独立候选人。乡选举委员会认为,独立候选人非正式确定的候选人,因而不予确认其当选结果,决定进行第二轮投票另行选举。 试问在整个选举过程中,乡选举委员会的行为违反了我国宪法和选举法的哪些规定为什么
What are people who do office work calledThey are called"______ workers".