下列纬线中，按由南向北排列顺序正确的是（） A: 30°S、15°S、15°N、30°N B: 30°N、15°N、15°S、30°S C: 10°S、20°S、30°S、40°S D: 40°N、30°N、20°N、10°N

The author of the book lived in （）. A: Athe early 30 B: Bthe early 30’s C: Cearly 30 D: Dearlier 30’s

原核生物中，蛋白质合成的起始复合物包括mRNA、核糖体的30S和50S亚基、fMet-tRNA等,形成的过程是(）[br][/br][br][/br][br][/br] A: mRNA+30S核糖体→+50s核糖体→+fMet-tRNA→起始复合物 B: mRNA+ 50S核糖体→+ 30S核糖体→+ fMet-tRNA→起始复合物 C: mRNA+ 30S核糖体 →+ fMet-tRNA→+ 50S核糖体→起始复合物 D: mRNA + 50S核糖体→+ fMet-tRNA→+ 30S核糖体→起始复合物

使用SQL语句将表s中字段price的值大于30的记录删除，正确的命令是（ ）。 A.DELETE FROM S FOR price>30 B.DELETE FROM sWHERE price>30 C.DELETE S FOR price>30 D.DELETE S WHERE price>30

原核细胞中蛋白质合成的起始阶段是 A: mRNA+30S核糖体→+50S核糖体→+fMet-tRNA→起始复合物 B: mRNA+50S核糖体→+30S核糖体→+fMet-tRNA→起始复合物 C: mRNA+30S核糖体→+fMet-tRNA→+50S核糖体→起始复合物 D: mRNA+50S核糖体→+fMet-tRNA→+30S核糖体→起始复合物 E: mRNA+fMet-tRNA→+30S核糖体→+50S核糖体→起始复合物多选题

使用SQL语句将学生表S中年龄（AGE）大于30岁的记录删除，正确的命令是（） A: DELETE FOR AGE>30 B: DELETE FROM S WHERE AGE>30 C: DELETE S FOR AGE>30 D: DELETE S WHERE AGE>30

Maria lives in ______. She's an ______ and a ______. She's ______ and ______. She's at 7:30 at night on ______ and she's on channel 4 in the afternoon on _____.

The author of the book lived in （）. A: the early 30 B: the early 30’s C: early 30 D: earlier 30&rsquo

Part I Listening Comprehension (15minutes)Directions: This part is to test your listening ability. It consists of 3 sections.Section A 1 A: It’s 9:00 B: It’s 9:30 C: It’s 10:00 D: It’s 10:30

使用SOL语句将学生表S中年龄(AGE)大于30岁的记录删除,正确的命令是()。 A: DELETE FOR AGE>30 B: DELETE FROM S WHERE AGE>30 C: DELETE S FOR AGE>30 D: DELETE S WHERE AGE > 3