In 1803 the United States purchased Louisiana from _____.

_______ 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

76，95，159，187，278，( ) A: 343 B: 476 C: 395 D: 369

下列语句哪些的表达是比较准确的？ A: new java.math.BigInteger(343); B: new java.math.BigDecimal("343.445"); C: new java.math.BigDecimal(343.445); D: new java.math.BigInteger("343");

In 1803, President Jefferson negotiated the purchase of Louisiana from Mexico.

从2007年中国潮汐表的“潮流预报表”中查得成山角8月3日的潮流资料如下：（＋）表示流向343°，(－）表示163°，时区：－0800[img=562x198]17e440c83724cc8.jpg[/img]则：8月3日1000的流向为。 A: 343° B: 163° C: -343° D: -163°

I’ ve got __________today. A: the bad toothache B: a bad toothache C: bad toothaches D: the bad toothaches

国际网球联合会成立于 A: 1903 B: 1803 C: 1913 D: 1923

霍尔效应哪一年发现的？ A: 1881 B: 1879 C: 1803 D: 1831

【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