第i卷 选择题(共90分)
第一部分 英语知识运用(共两节,满分40分)
第一节 语法和词汇知识(共10小题;每小题1分,满分10分) 从a、b、c、d四个选项中,选出可填入空白处的最佳选项,并在答题卡上将该项涂黑。
1.a few stars from the entertainment industry, such as ke zhendong and fang zuming, have recently been arrested, which shows that drug taking is becoming _____ increasingly serious threat to society.
a. the b. an
c. a d. 不填