型号为N300-16.7/538/538的汽轮机是：
型号为N300-16.7/538/538的汽轮机是：
氰化高铁血红蛋白吸收峰（nm）是在（） A: 535 B: 538 C: 540 D: 550 E: 560
氰化高铁血红蛋白吸收峰（nm）是在（） A: 535 B: 538 C: 540 D: 550 E: 560
It was built in 1420, covering an area of 237 hectares.
It was built in 1420, covering an area of 237 hectares.
《本草纲目》记载药物多少种() A: 237 B: 365 C: 850 D: 921 E: 1892
《本草纲目》记载药物多少种() A: 237 B: 365 C: 850 D: 921 E: 1892
There are _____ voting members in the House of Representatives. A: 100 B: 270 C: 435 D: 538
There are _____ voting members in the House of Representatives. A: 100 B: 270 C: 435 D: 538
3，23，61，117，（）。 A: 133 B: 191 C: 211 D: 237
3，23，61，117，（）。 A: 133 B: 191 C: 211 D: 237
随机变量X和Y独立,且E(X)=5,E(Y)=12,则E(2XY-3)=( ).(10.0) A: 117 B: 237 C: 240 D: 120
随机变量X和Y独立,且E(X)=5,E(Y)=12,则E(2XY-3)=( ).(10.0) A: 117 B: 237 C: 240 D: 120
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
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
(237)烫伤或烧伤按其伤势轻重可分为三级。
(237)烫伤或烧伤按其伤势轻重可分为三级。
中国大学MOOC: 十进制数237的BCD码是（ ）
中国大学MOOC: 十进制数237的BCD码是（ ）