已知线段AB的方位角为315°，则线段BA的方位角为（）。 A: -135° B: 135° C: 315° D: -315°
已知线段AB的方位角为315°，则线段BA的方位角为（）。 A: -135° B: 135° C: 315° D: -315°
可见辐射的波长范围限定在（）mm之间。 A: 200-380 B: 315~-380 C: 315~380 D: 380~780
可见辐射的波长范围限定在（）mm之间。 A: 200-380 B: 315~-380 C: 315~380 D: 380~780
地铁2号线正线最大坡度为，最小曲线半径m（） A: 28.487‰ 315 B: 28.487‰ 300 C: 30‰ 315 D: 30‰ 300
地铁2号线正线最大坡度为，最小曲线半径m（） A: 28.487‰ 315 B: 28.487‰ 300 C: 30‰ 315 D: 30‰ 300
3，3，9，45，( )。 A: 145 B: 81 C: 315 D: 90
3，3，9，45，( )。 A: 145 B: 81 C: 315 D: 90
13. Words may fall into __________ and functional words by notion. ( ) A: derivational words B: content words C: compound words D: grammatical words
13. Words may fall into __________ and functional words by notion. ( ) A: derivational words B: content words C: compound words D: grammatical words
What are formal words? A: learned words B: literary words C: big words D: colloquial words
What are formal words? A: learned words B: literary words C: big words D: colloquial words
What words are the prominent words? A: the first words of a sentence B: the words that carry the meaning of the sentence C: the words that are the least important words and ideas D: the words that have one syllable
What words are the prominent words? A: the first words of a sentence B: the words that carry the meaning of the sentence C: the words that are the least important words and ideas D: the words that have one syllable
塔里木沙漠公路联通了314和315国道。
塔里木沙漠公路联通了314和315国道。
315轴承内径为（）。 A: 15mm B: 45mm C: 75mm
315轴承内径为（）。 A: 15mm B: 45mm C: 75mm
Which type of words has new members? A: closed-class words B: invariable words C: most grammatical words D: open-class words
Which type of words has new members? A: closed-class words B: invariable words C: most grammatical words D: open-class words