Around 200 million people are employed in tourism worldwide, making in the largest industry in the modem global economy. It is estimated that three – quarters of a billion people travel on holiday each year, and industry planners (i) _____ this figure to double by 2020. Some oflhe biggest beneficiaries are less developed countries, (ii) _____ it is often their main source of income. However, along with the economic benefits, this mass movement of people has resulted in threats (iii) _____ the environment. People often forget the damage caused by carbon emissions from aircraft, which contribute directly to global wanning. Deforestation has cleared land in order to build hotels, ail-ports and roads, and this has destroyed wildlife. In some areas, water shortages are now common because of the need to fill swimming pools and water golf course for tourists. By pushing up prices for goods and services, tourism can also be (iv)
to the people who live in tourist destinations. In response to these concerns, some travel operators now offer environment – friendly holidays. Many of these aim to reduce the negative effects of tourism by promoting only hotels that have (v) _____ in equipment to recycle waste and use energy and water efficiently. Increasingly, tourists are also being reminded to show respect for the gustoms of the people whose countries they are going to visit, and to support local businesses, such as restaurants and shops, which depend on tourism for their main income.
(ii)_____
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Lời giải:
Báo saiĐáp án A. where
Dùng “where” trong mệnh đề quan hệ đế chỉ nơi chốn. Vì trước chỗ trống cần điền là danh từ “less developed countries” – “các nước kém phát triển”, chỉ nơi chốn. Mà sau chỗ trống cần điền là mệnh đề “it is often their main source of income” nên ta không dùng đại từ quan hệ “which” (đóng vai trò là chú ngữ hoặc tàn ngữ được), mà phái dùng đại từ quan hệ “where”