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Question 18: Lifespans have increased pretty dramatically over the last century or so, in large part due to ________ in medicine that have nearly eliminated certain deadly infectious diseases.
A. advance B. advances C. advancing D. advancement
Question 19: Immediate and easy access to information in the world ________ is a standard expectation.
A. we live in B. which we live C. where we live in D. in which we lived
Question 20: With 1960 islands in different sizes and an unbelievable smooth sea surface, Halong Bay ________ its name to one of the worthiest places in the world to visit.
A. writes B. is written C. will write D. has written
Question 21: A smart city is an urban area that uses different types of electronic data collection sensors to supply information which ________ assets and resources efficiently.
A. used to manage B. is used to managing C. is used to manage D. is using to manage
Question 22: Perhaps the best-known examples of Peru's cultural past are ________ country's Inca remains, most notably Machu Picchu.
A. a B. an C. the D. no article
Question 23: The first effective step in historic preservation, however, ________ what buildings or sites are worthy of protection.
A. is to decide and define B. is to decide and defining C. is decided and defined D. is deciding and define
Question 24: Smoking not only cuts your lifespan by affecting your internal organs, but it also ages you on the outside by causing ________ damage.
A. skin B. skinner C. skinny D. skinning
Question 25: Without substantial foreign aid they won't be able to achieve even ________ they have planned.
A. half of which B. half of what C. half of that what D. half of that
Question 26: The major problem is that many developing countries have a much greater need for technical institutes ________ than for academic universities, so that they can produce professionals and scientists able to address their particular problems.
A. other B. better C. more D. rather
Question 27: You will see it is not a very difficult job - all ________ is to keep the guests interested.
A. what matters really B. that really matters C. what really matters D. which will really matter
Question 28: In the United States, the burning of fossil fuels to make electricity is the largest source of heat-trapping pollution, ________ about two billion tons of CO2 every year.
A. produce B. produces C. producing D. produced
Question 29: It may seem interesting, but a large part of ________ on this subject is nonsense.
A. that I have found B. what I could find C. which I could find D. when
Question 30: I can't recollect ________ day she started working here.
A. when B. where C. which D. that
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