在△ABC中，AC=CD且∠CAB-∠B=30°，则∠BAD=______．
在△ABC中，AC=CD且∠CAB-∠B=30°，则∠BAD=______．
【单选题】苏州总面积多少平方公里? A. 8488 B. 8088 C. 6888 D. 8848
【单选题】苏州总面积多少平方公里? A. 8488 B. 8088 C. 6888 D. 8848
In 1803 the United States purchased Louisiana from _____.
In 1803 the United States purchased Louisiana from _____.
在煤成分基准分析中，空气干燥基的成分符号为（） A: Aar； B: Bad； C: Cd； D: Ddaf。
在煤成分基准分析中，空气干燥基的成分符号为（） A: Aar； B: Bad； C: Cd； D: Ddaf。
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.
_______ weather it is ! _____ the weather is! A: What an bad; How bad B: How bad; What a bad C: What bad; How bad D: What a bad; How bad
_______ weather it is ! _____ the weather is! A: What an bad; How bad B: How bad; What a bad C: What bad; How bad D: What a bad; How bad
B细胞上能特异性结合抗原的是 A: CD40L B: CD28 C: BCR D: CD 21 E: LFA-1
B细胞上能特异性结合抗原的是 A: CD40L B: CD28 C: BCR D: CD 21 E: LFA-1
I’ ve got __________today. A: the bad toothache B: a bad toothache C: bad toothaches D: the bad toothaches
I’ ve got __________today. A: the bad toothache B: a bad toothache C: bad toothaches D: the bad toothaches
【单选题】Don’t let ruin your holiday. A. bad experience B . a bad experience C. bad experienced D. a experience A. bad experience B. a bad experience C. bad experienced D. a experience
【单选题】Don’t let ruin your holiday. A. bad experience B . a bad experience C. bad experienced D. a experience A. bad experience B. a bad experience C. bad experienced D. a experience
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923
国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923