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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.  Part of what makes summers so hot is also what causes thunderstorms. As heat from the sun beats down on Earth, the heat evaporates some of the water in lakes and oceans. The evaporated water stays in the air. This evaporated water makes the air feel heavy and humid. Humid air is what makes you feel hot and sticky (1) _______ the summer.  Warm humid air usually does not stay in one place. The wind can move it higher in the sky (2) _______ it will cool off. When warm humid air cools, it forms clouds. As more water is moved from lakes and oceans to the airs, the clouds get bigger and bigger.  Since summer, the air near the ground is hotter than it is during other seasons of the year. When this hot air mixes with cool air from (3) _______ area, there will be changes in the weather. Greater differences between the (4) _______ of the hot and cold air will cause greater changes in the weather. Imagine putting an ice (5) _______ in a warm drink. As soon as the ice hits the warm drink, it will crack and pop. But if you put the ice cube in a cool drink, it will not crack or pop as much. When warmer and cooler clouds get close to one another, there may be some popping and cracking as the weather changes. There may be more clouds or storms. A thunderstorm may be on its way.

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Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 25 to 29       Prime Minister Nguyen Xuan Phuc has delivered Vietnam’s strong message, aspiration, and determination to become a “country of renovation and creativity” and an economy with globally extensive (25) _______ when engaging in every activity of the World Economic Forum (WEF) 2019 in Davos, Switzerland.       He participated in 37 activities where he and heads of State and Government leaders of 50 countries and executives from (26) _______ groups around the globe discussed and dialogued matters relating to the forum’s theme “Globalization 4.0: Shaping a Global Architecture in the Age of the Fourth Industrial Revolution”.       Prime Minister Phuc said the Fourth Industrial Revolution is “knocking” on every enterprise and bringing profound changes that no country can be an outsider, and (27) ______ Vietnam’s wish to become one of the passengers at the (28) ________ of the Industry 4.0 train, and enthusiastically work with other countries to build a wealthy world.        In Davos, PM Phuc and WEF President Borge Brende had a dialogue themed “Vietnam and the World”, which is the first-ever event on Vietnam held by the WEF. Through the dialogue, PM Phuc conveyed strong messages about Vietnam’s development and international integration, asserting that (29) _______ the current circumstance, Vietnam has maintained an economic growth and socio-political stability that demonstrates itself a reliable destination for foreign investors coming to do business.

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