发动机引气压力来源于压气机的中压级时,压力由()调节A.PRV; B.HPV; C.

题型:单项选择题

问题:

发动机引气压力来源于压气机的中压级时,压力由()调节

A.PRV;

B.HPV;

C.BMC。

考点:民用航空器维修执照考试A320系列飞机MEA320系列飞机ME题库
题型:单项选择题

Every day we use money to buy what we want. But have you ever really noticed the bill (钞票) in your hand? There are different pictures on both sides of banknotes (纸币) and interesting stories behind them.

Most banknotes have famous people on the front, such as a country’s leader or a great scientist, while on the back of the paper note there are usually some well-known scenes or national buildings.

The latest editions of Chinese banknotes use the picture of Mao Zedong, founding father of the People’s Republic of China, on the front of all yuan bills. However, the backs of the bills are different. The Great Hall of the People, on the 100-yuan note, is a landmark (地标) in Beijing. Important meetings are always held there. The Lijiang River in Guilin, on the 20-yuan note, is one of the most beautiful scenes in the world.

The US 1-dollar bill has the first president, George Washington, on the front side. A 13-level pyramid is on the back. Benjamin Franklin, a great scientist and politician (政治家) from the US, appears on the front of the 100-dollar bill. You can see the White House, where the presidents live, on the back of the 20-dollar bill.

小题1:According to Paragraph 2, which one probably appears on the back of the banknotes?

A.Abraham Lincoln.

B.Elizabeth II.

C.Taishan Mountain.

D.Titanic.小题2:The Lijiang River of Guilin is __________.

A.on the back of 20-yuan note

B.on the front of 20-yuan note

C.on the front of 100-yuan note

D.on the back of 100-yuan note小题3:On the front of the 100-dollar bill, we can see __________.

A.George Washington

B.Benjamin Franklin

C.a 13-level pyramid

D.the White House

题型:单项选择题

前置胎盘出现 * * 流血正确的是()

A.常发生在妊娠中期

B.常伴有下腹部疼痛

C. * * 流血量与贫血程度不成比例

D.妊娠足月出现 * * 流血多为部分性前置胎盘妊娠

E.28周出现 * * 流血多为完全性前置胎盘

题型:单项选择题

下列不属于商品重量验收方式的是()。

A.约定重量法

B.整车复衡法

C.检斤换算法

D.理论换算法

题型:单项选择题

苏云金芽孢杆菌主要产生4种杀虫毒素,其中的伴孢晶体属于()。

A、α毒素

B、β毒素

C、γ毒素

D、δ毒素

题型:单项选择题

可用于静脉麻醉的是()

A.苯巴比妥

B.地西泮

C.司可巴比妥

D.硫喷妥

E.巴比妥

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