舆情监控系统所产生的大数据具有空前的(),通过大数据的分析,更加深入地了解社会各领域的运行状况。
A.规模性
B.群体性
C.高效性
D.广泛性
参考答案:A, B
Two ___ years ago she lived in New York.
A.score
B.scores
C.scores of
D.score of
—This morning your mobile phone was always busy. I couldn’t ________ to you until several attempts.
—Oh, I’m sorry. I was discussing the price of our products with a client over the phone.
A.get over
B.get through
C.get across
D.get on