单项选择题

Researchers have studied the connection between aspirin and heart disease for _______.

A．more than a century
B．more than ten years
C．more than one year
D．a few years
<上一题 目录 下一题>
热门 试题

单项选择题
From the first paragraph, we get to know that ________.
A．the university of Houston is the best university in the United States
B．the University of Houston is the biggest university in the United States
C．there are about 45,000 students in the University of Houston
D．the University of Houston only receives Chinese students
单项选择题
The second paragraph means that _______.
A．only students from China study at the top universities
B．no other students but Japanese and Chinese students study at the top universities
C．Chinese students often fight against Japanese students
D．famous universities in the United States attract more Chinese students
相关试题