Huntington and many of its competitors are working to make remedial instruction a commodity as()and accessible as frozen yogurt.
A. ubiquitous
B. rational
C. necessary
D. credible
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不符合子宫颈癌扩散途径的描述是
A. 以淋巴道转移为主 B.可直接侵犯直肠
B. 晚期可发生血道转移 D.可直接侵犯膀胱
C. 首先转移到髂总淋巴结
依据我国物权法,耕地的承包期为 ( )
A. 10年
B. 20年
C. 30年
D. 50年
关于肺泡表面活性物质的叙述,错误的是______。
A. 能增加肺的顺应性
B. 能增加肺的弹性阻力
C. 能降低肺泡表面张力
D. 减少时可引起肺水肿
He has courage all right, but in matters requiring judgment, he has often been found sadly().
A. lack it
B. absent
C. in need of it
D. wanting