Câu hỏi trắc nghiệm về sinh thái

_______ invasive species have been affecting the agriculture in the Mekong Delta in the past three years.

• Amazing

• Pleasant

• Great

• Harmful

Scientists have been studying different ecologies _______ the 20th century.

• for

• since

• in

• by

Elephants are killed illegally _______ their tusks.

• for

• as

• by

• with

These animals consume the local vegetation, which helps reduce the _______ of wildfire.

• risk

• chance

• opportunity

• case

The search for the new kind of penguin in Antarctica has been _______ international media attention.

• attract

• attracted

• attracting

• to attract

Some people _______ down lots of trees along the river for the past two weeks.

• cut

• are cutting

• have been cutting

• have cut

The negative effects of eco-tourism occur when visitors go beyond the environment _______.

• protection

• importance

• destruction

• limit

Lots of poachers had to _______ fines last year for illegal hunting.

• send

• pay

• sell

• share

Before starting university, students need to learn _______ skills which include cooking for themselves, washing their clothes and cleaning up.

• domestic

• time management

• budgeting

• anger management

In order to deal with the deadlines of assignments, students must have _______ skills.

• communicative

• time management

• computer

• stress management