Jawa is an old motorcycle brand (品牌). It started in 1929. Its first motorcycle was strong and nice. Many people liked Jawa motorcycles. In the 1990s, Jawa had a hard time. It almost stopped making motorcycles. 

But now Jawa is back. It has a new motorcycle. Its name is Jawa 730 Twin. The new motorcycle has a strong engine (引擎). It can run very fast. It also has good brakes (刹车). And it is not too heavy.

1.1.Jawa started in ________.

A 1929

B 1990

C 2024

D 1939

解析：选A。A细节理解题。根据文章第一段的“Jawa is an old motorcycle brand. It started in 1929.”可知，佳娃品牌始于1929年。故选A。

2.2.In the 1990s, Jawa had ________.

A fun

B trouble

C luck

D money

解析：选B。B细节理解题。根据文章第一段的“In the 1990s, Jawa had a hard time.”可知，20世纪90年代，佳娃遇到了困难。故选B。

3.3.The new motorcycle has good ________.

A brakes

B seats

C lights

D boxes

解析：选A。A细节理解题。根据文章第二段的“The new motorcycle has a strong engine (引擎). It can run very fast. It also has good brakes (刹车). ”可知，这款新摩托车有很好的引擎和刹车。故选A。

4.4.Jawa wants to be ________ again.

A slow

B new

C popular

D cheap

解析：选C。C细节理解题。根据文章第三段的“Jawa wants to be popular again.”可知，佳娃想再次变得受欢迎。故选C。