短暂性脑缺血发作最常见的症状是___________，该病的诊断主要是依靠___________。
参考答案：运动障碍；病史
Although it seemed to be ______ uncomfortable experience, he still found it ______ fun to learn diving.
A．an; /
B．/; a
C．a; the
D．an; a
异附加系（alien addition line）
