小练(17) Unit 5 Section 2 Starting out &Understanding ideas—Language points-【赢在微点】轻松课堂2023-2024学年新教材高中英语选择性必修第二册（外研版）

小练(十七)　Section 2 三维度夯实基础 维度1　词形转换 1.Our way of life has changed dramatically (dramatic) over the last ten years. 2.They are making every effort to decrease (decrease) the production cost.  3.We succeed in our field of specialization and then become trapped (trap) in it. 4.The city􀆳s population has exploded (explode) in the last few years.  5.Many people felt the president would be against the idea of foreign intervention (intervene). 维度2　固定用法和常考句式 1.A number of tests have been carried out to find out if these drugs have any effect. 2.Because of the bad weather, the pilot lost touch with the ground and the helicopter got out of control. 3.It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash. 4.The new government took over the foreign⁃owned fields one after another. 5.Seeing their daughter so much happier has in turn made Lara􀆳s parents more relaxed. 维度3　课文语法填空 　　Macquarie Island is in the South⁃west Pacific Ocean, halfway between Australia and Antarctica. There are many precious native inhabitants so it is not 　1　 (surprise) that it is a UNSECO World Heritage Site. For biological chain, the island􀆳s recent story is really a tragic story 　2　 began in 1810. When rats and mice 　3　 (bring) on the island, these small animals 　4　 (quick) took over the island, eating the birds􀆳 eggs and attacking any baby birds. As a result, cats were brought 　5　 (control) rats and mice.  Meanwhile, rabbits were introduced to the island as a source of food for humans. But the exploding of that 　6　 (lead) to more cats hunting the birds, causing the parakeets􀆳 　7　 (die) out. Experts felt 　8　 necessary to come up with a plan to remove all the rabbits from the island. At last, for some reasons, there were no cats in 2000, which increased the rats􀆳 and mice􀆳s population. The incident made it clear that the rat, mouse and rabbit problem needed 　9　 (solve) once and for all. This intervention is a long, much⁃delayed ending to a sad story, but