Many weather scientists around the world are talking about El Niño. El Niño is a big weather event (事件). It can make the world very hot.

This year, a strong El Niño may come. When El Niño comes, some places will be very hot and dry. Other places will have heavy rain. It can also bring strong winds and storms.

1.1.El Niño can make the world very ________.

A cold

B hot

C cool

D warm

解析：选B。B细节理解题。第一段最后一句“It can make the world very hot.”，说明厄尔尼诺会让世界变得很热。故选B。

2.2.This year, a ________ El Niño may come.

A small

B strong

C short

D new

解析：选B。B细节理解题。根据第二段第一句“This year, a strong El Niño may come.”可知，今年可能会出现一次很强的厄尔尼诺现象。故选B。

3.3.El Niño can bring strong ________ and storms.

A winds

B clouds

C lights

D snow

解析：选A。A细节理解题。根据第二段“It can also bring strong winds and storms.”可知，厄尔尼诺会带来强风和暴风雨。故选A。

4.4.El Niño changes the weather for many ________.

A days

B weeks

C months

D years

解析：选C。C细节理解题。根据第三段第二句“It changes the weather for many months.”可知，它会影响天气好几个月。故选C。