船底前后部水翼板，随着航行速度增加，水翼产生升力，可将船托出_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

船底前后部水翼板，随着航行速度增加，水翼产生升力，可将船托出水面、水阻力小，船速可达50km/h的船称为（）

A.滑行艇

B.气垫船

C.高速船

D.水翼船

答案

参考答案：D

不定项选择

人民警察不得散布有损于国家声誉、形象和威信的口头或书面言论，这属于人民警察的（）。

A．政治纪律

B．工作纪律

C．组织纪律

D．保密纪律

阅读理解

根据短文内容判断对(T)错(F)。

Cars

There are three cars in the street. The red one is for Jim. It' s very nice. The black car is for Jim's father.
It's very big. Where's his mother's car? It's over there. It's behind the red car. It's blue.
( ) 1. Jim's car is red.
( ) 2. Jim's father's car is big.
( ) 3. Jim's mother's car isn't yellow.
( ) 4. Jim's car isn't nice.