Câu số 31:   The word "They" in the paragraph 1 refers to?

Câu số 32:   According to paragraph 2, what is the main attraction of tribal tourism?

Câu số 33:   The word "divided" in paragraph 3 is closest in meaning to ______

Câu số 34:   According to Hilary Waterhouse, the most important thing for a tribal tourist is to ______

Câu số 35:   Which best serves as the title for the passage?

Câu số 36:   The word "obsolete" in paragraph 1 is closest in meaning to ______

Câu số 37:   As slated in paragraph 2, a large percentage of e-waste meant for recycling in the developed countries ______

Câu số 38:   The word "notify" in paragraph 3 is closest meaning to ______

Câu số 39:   The word "it" in paragraph 3 refers to ______

Câu số 40:   According to the European Union's laws, electronics manufactures are required to ______