【单选题】He gave up his study in college in _______.
【单选题】This passage is mainly about ______.
A.
advantages of college study in North America
B.
differences in college education In different countries
C.
American higher education
D.
higher education in general
【单选题】(48104)道岔连接曲线可以设置超高,但超高值不应大于15mm,且向两端外的顺坡率不大于()。
【单选题】道岔连接曲线可以设置超高,但超高值不应大于15㎜,且向两端外的顺坡率不大于()。
【单选题】(单项选择题)火灾发生后,下列自救方法正确的是()。
【单选题】A study finds that the more education people have, _____ they are to form unhealthy habits. [ ]
【单选题】______takes phonic medium of language as its main object of study.
【单选题】道岔连接曲线可以设置超高,但超高值不应大于15mm,且向两端外的顺坡率不大于()(中级线路工用)。