187.Pirates from Somalia who hijacked ____ European carrier in ____ Indian Ocean threatened to kill its 25 crew members if any rescue operation was attempeted.
A.the;不填
B.a;the
C.the;a
D.an;the
188.In China,____ pressure to pass ___ exams tends to cause students lack of creativity.
A.不填;the
B.a;the
C.the;不填
D.不填;不填
187.答案是B,考查冠词的用法,第一空泛指一艘欧洲船只;第二空特指印度洋。
188.答案是C,考查冠词的用法,第一空特指通过考试的压力;第二空泛指多次考试。



