牛津译林版2020必修一Unit4单元综合巩固练习 (有答案)

Unit4综合巩固练习 Ⅰ单句语法填空 1.Ocean colour varies from green to blue,depending on the type and 　　　　　(concentrate) of phytoplankton.  2.They are 　　　　　(extreme) important in the safe and 　　　　　(effect) running of our programmes.  3.He felt 　　　　　(concern) about his illness.  4.In practice,most planes either are delayed or arrive 　　　　　(slight) ahead of schedule.  5.The meeting proved 　　　　　(be) a turning point in her life.  6.The young man is handsome and 　　　　　(energy).  7.Don’t be 　　　　　(frighten) by sharks:you are 30 times more likely to be hit by lightning than be attacked by a shark.  8.Yes,many cyclists behave 　　　　　(dangerous).  9.His eyeballs were a(n) 　　　　　(healthy) yellow.  10.He placed the brochure on his desk,as a 　　　　　(remind).  11.The 　　　　　(press) at work is on the increase in all fields.  12.When I make 　　　　　(contribute) to the society through my work,I will be happy.  13.After helping her to safety,he dialed 120 and the granny got timely 　　　　　(treat) in hospital.  14.She has recovered f