Today, the spread of' borrowed words' is mostly due to the easily a ________ Internet and

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51. Today, the spread of' borrowed words' is mostly due to the easily a ________ Internet and television programmes from across the world.
52. U ________humans, pigeons never get lost and can always find their way home.
53. Variety encourages communication, which in turn p ________ learning and their further development.
54. Education, employment, social w ________, living conditions and environment all concern the people's sense of happiness.
55. Realizing that cigarettes contained p ________chemicals, Bhutan became the first smoke-free country in 2004.
56. China is winning international ________ （认可； 赞赏）for making all-out efforts to control the spread of COVID-19.
57. The centre has a strong team which ________（组成）of top medical experts in psychology.
58. The masks are comfortable, easy to ________（呼吸）through and can be reused up to 20 times depending on the user's wear time.
59. On the basis of joint development and testing, Huawei wants to turn the company's technological advantage into ________（商业的，贸易的）value.
60. The patient's anxiety was gradually ________ （解除，减轻）through the good care he received from medical workers and encouragement from other patients.
【答案】51. accessed    
52. Unlike    53. promotes    
54. welfare    
55. poisonous    
56. recognition/approval