Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the
correct word or phrase that best fits each of the numbered blanks from 31 to 35.
Urban development is having a direct impact on the weather in many cities worldwide. It has been
noticed that the difference ______ temperature is usually greater at night and the phenomenon
occurs in both winter and summer. Experts agree that this is due to urban development, when open
green spaces are replaced with asphalt roads and tall brick or concrete buildings. These materials retain
heat generated by the Sun and release it through the night. In Atlanta, in the US, this has even led to
thunderstorms ______ occur in the morning rather than, as is more common, in the afternoon.
Large cities around the world are adopting strategies to combat this issue ______ it is not
uncommon to find plants growing on top of roofs or down the walls of large buildings. In Singapore,
the government has ______ to transform it into a "city within a garden" and, in 2006, they held an
international competition calling for entries to develop a master plan to help bring this about. One
outcome was the creation of 18 "Supertrees" –
(31)
(32)
(33)
(34)
metal constructions resembling very tall trees. Each one
is a vertical freestanding garden and is ______ (35) to exotic plants and ferns. They also contain solar
panels used to light the trees at night and also containers to collect rainwater, making them truly self-sufficient.
(Adapted from by Pauline Cullen, Amanda French and Vanessa Jakeman) "The Official Cambridge Guide to IELTS"
Question 31: A. on . B with . C in . D out
Question 32: A. when B. which C. what D. where
Question 33: A. or B. for C. and D. but
Question 34: A. pledged B. committed C. confessed D. required
Question 35: A. home B. house C. land D. place