【简答题】We met at six, as planned .
【简答题】写数字。 1. seven _____________ 3. nine _____________ 5. one _____________ 7. ten _____________ 9. six _____________ 2. two _____________ 4. five _____________ 6. four _____________ 8. three _____________...
【判断题】列车分路电阻:列车占用轨道电路时,轮对跨在两根钢轨上所形成的电阻。主要包含车轮和车轴本身电阻,轮缘和钢轨顶部接触的电阻组成。
【判断题】列车占用轨道电路时,前后车轮压在钢轨接触面上形成的电阻,称为列车分路电阻。
【简答题】用合适的数词填空。 1. six + five = ___________ 3. seven + eight = ___________ 5. twelve ÷ two = ___________ 2. ten + two = ___________ 4. fif - nine = ___________ 6. three × five = ___________
【单选题】Which of the following is NOT true about RV 144?
A.
It has been on trial for six years.
B.
People who get it are protected against AIDS.
C.
People who get it are not as easily infected as others.
D.
It is regarded as a very important finding in the history.
【单选题】在 C 语言的数据类型中,定义一个人的年龄用 ( ) 型变量。
【判断题】列车轮缘与钢轨头部表面接触面积越大,列车分路电阻越大。
【判断题】列车占用轨道电路时,轮对跨在两根钢轨上形成的电阻,就称为列车分路电阻。
【简答题】在 C 语言的数据类型中,定义一个人的年龄用 _______( 用英文表述 ) 型变量;能用来表示小数的数据类型是 _______( 用英文表述 ) 。