【简答题】脱式计算(能简算的要简算) (8)83小5+450÷88×w5 (w) w 5 + 3 5 × 4 2 ÷ 4 5 (3)2.08×808 (4)8.w8×4w-(4.4m+0.84) (5) 4 小 × 8 5 + 4 小 ÷5 (m) 8 3 ×( 8 w -50× 8 800 ) .
【简答题】假设劳动的需求由L=-50W+450给出,劳动的供给由L=100W给出。其中L代表雇佣的人数,W代表每小时实际工资率,求:
【简答题】坡度不大于1/10且小于1/2的屋面,_______、_______、_______、_______应为其易受雷击的部位。
【判断题】右手法则又称为电动机定则,左手定则又称为发电机定则。
【单选题】Read the message from Sleepless in Seoul . What is the writer's problem? a. The writer is unhappy about his/her grade. ( ) b. The writer is worried about a test. ( ) c. The writer failed...
A.
The writer is unhappy about his/her grade.
B.
b. The writer is worried about a test.
C.
The writer failed an exam last Friday.
【单选题】室内LED发光器件ρ15mm显示屏256色最大功耗为( )。
【单选题】单坡跨度大于( )的平屋面宜做结构找坡且( )。
【单选题】根据当地的气候土壤条件,确定绿化树种后,选择适合的绿地进行栽植,此途径为( )。
【简答题】One morning, Jim Reed checked
his e-mail. He found a strange message on the e-mail. It was from a woman in
Pittsburgh, Pennsylvania. He had talked to her on e-mail many times in the last
ten days. All...
【简答题】One morning, JimReed checked his e-mail. He found a strange message on the e-mail. It was froma woman in Pittsburgh, Pennsylvania. He had talked to her on e-mail many timesin the last ten days. All th...