instrument 樂(lè)器，儀器

citizen 公民，居民

ample=adequate=sufficient=enough 充分

fertile 富饒的，肥沃的，可繁殖的

答案：BD

2 boys and 4 girls were born on Monday to the surprise of a young couple and doctors who had expected 5 babies.

This was the first record of six babies being born at the same time,in that region.

The doctors prepared early in the morning to help deliver 5 tinny citizens.

They were in the operating room with 5 teams of doctors.One for each baby

The first 5 babies were deliverer successful.

All baby bed were occupied.

And then all of a sudden.

It turned out there was another waiting to come out.

The doctor said the babies were in health condition.

Could not go home immediately.

They need to stay in the hospital for 2 to 3 months for medical supervision.

四級(jí)上岸

泰褲辣