下列哪种为恶性肿瘤
A．纤维腺瘤B．畸胎瘤C．混合瘤D．霍奇金病
参考答案：D
I tried to call up my relatives in Kyrgyzstan where an unrest(动乱) was going on, but couldn’t _________.
A．go through
B．get over
C．get along
D．get through
2008年，（）成为世界第一大港。
