一、选择题(20分,每小题2分) 1离心泵的调节阀开大时, A吸入管路阻力损失不变 B泵出口的压力减小 C泵入口的真空度减小 D泵工作点的扬程升高

一、选择题(20分,每题2分) 1流体流动时的摩擦阻力损失h所损失的是机械能中的项。 A位能 B静压能 C总机械能 D动能

一、选择题(20分,每小题2分) 1离心泵的调节阀开大时, A吸入管路阻力损失不变 B泵出口的压力减小 C泵入口的真空度减小 D泵工作点的扬程升高

一、名词解释(每小题3分,共15分) 1、德尔菲法2、人力资源供给预测3、工作说明书4、员工的招聘5、综合评价

Part I Structure and Vocabulary Section A on A Directions: Beneath each of the following sentences, there are four choices marked A, B, and D)Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET. (5 points)

Simulated Test [PREVIOUS] INEXT] Part Structure and Vocabulary Section A Directions: Beneath each of the following sentences, there are four choices marked A, B, C and D)Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET. (5 points

Part I Structure and Vocabulary Section A Directions fo Beneath each of the following sentences, there are four choices marked A, B, C and D)Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET by

Simulated Test [PREVIOUS] [NEXT] Part I Structure and Vocabulary Section A Directions: Beneath each of the following sentences, there are four choices marked A, B, C and

Simulated Test [PREVIOUS] [NEXT] Part I Structure and Vocabulary Section A Directions: Beneath each of the following sentences, there are four choices marked A, B, and D. Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET. (5 points)

Simulated Test [PREVIOUS] INEXT] Part I Structure and Vocabulary Section A Directions: Beneath each of the following sentences, there are four choices marked A, B, C and D. Choose the one that best completes