问题 选择题
下列说法中正确的是(  )

A.太阳灶用的是凹透镜

B.近视眼所戴的眼镜是凸透镜

C.汽车车头的前灯灯内使用的反射镜是凸面镜

D.耳科医生检查耳道时使用的额镜是凹面镜

答案

答案:D

单项选择题 A1型题
填空题

Some students are not adequately prepared for college. Should we them them away (36) them Or modify our product Americans must be (37) of their ability and responsibility to continue to learn throughout their working lives and, although I hesitate to repeat a point so (38) made by others, they must also be taught a body of basic skills. Our industry does our nation no service by (39) unprepared students or by turning out (40) graduates. These people must be taught. If they are not yet ready to learn the lessons we have prepared, should we not (41) and expand those lessons Here is yet another argument for offering the new first degree. It would provide a legitimate program for students who are not yet prepared to go for the (42) degree.
As our industry grows in responsibility, (43) , and productivity, should we not change our production schedule (44) , yet we are no longer a nation of farmers; we no longer have any reason to end the academic year in May or June. (45) , then we are going to have to operate six days a week, year round. We should go to full-time operation (46) . For many universities where teaching goes on five days a week for thirty weeks, capacity is constrained by the physical plant.

Some students are not adequately prepared for college. Should we them them away (36) them Or modify our product Americans must be (37) of their ability and responsibility to continue to learn throughout their working lives and, although I hesitate to repeat a point so (38) made by others, they must also be taught a body of basic skills. Our industry does our nation no service by (39) unprepared students or by turning out (40) graduates. These people must be taught. If they are not yet ready to learn the lessons we have prepared, should we not (41) and expand those lessons Here is yet another argument for offering the new first degree. It would provide a legitimate program for students who are not yet prepared to go for the (42) degree.
As our industry grows in responsibility, (43) , and productivity, should we not change our production schedule (44) , yet we are no longer a nation of farmers; we no longer have any reason to end the academic year in May or June. (45) , then we are going to have to operate six days a week, year round. We should go to full-time operation (46) . For many universities where teaching goes on five days a week for thirty weeks, capacity is constrained by the physical plant.