型号为N300-16.7/538/538的汽轮机是：

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");

There are _____ voting members in the House of Representatives. A: 100 B: 270 C: 435 D: 538

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°

图示电路，当ui=6.6V时，i1=（）mA，i2=（）mA[img=538x343]18032a8be633a0c.jpg[/img] A: 0.2 B: 0.1 C: -0.1 D: -0.2

​图示电路，当ui=6.6V时，i1=（）mA，i2=（）mA‏​[img=538x343]17de89b34e0b7cc.jpg[/img]‏ A: 0.2 B: 0.1 C: -0.1 D: -0.2

At least how many votes should be received so that the candidate for the U.S. President can obtain an absolute majority of electoral votes and then is elected to that office? A: 100 out of 435 votes B: 270 out of 538 votes C: 270 out of 435 votes D: 100 out of 538 votes

氰化高铁血红蛋白吸收峰（nm）是在（） A: 535 B: 538 C: 540 D: 550 E: 560

Q2 How much votes does a candidate need to win the presidency? A: 288 B: 270 C: 280 D: 538