心肌缺血急性期MRI表现为（） A.T2WI低信号，局部心肌厚度增加 B.T2WI低

对话填空。阅读下面对话,掌握其大意，并根据所给首字母的提示，在横线上写出一个英语单词的

完整、正确的形式，使对话通顺。

A: Hi, Li Hong, we haven't seen each other for about three years, right? I can hardly r  1   you.

B: Yes, Aunt Huang. But you are still very energetic and pretty.

A: Oh, thank you. And your English is more f  2 . You must be very hard-working these years.

B: A  3  , I make several foreign friends and practice my English with them.

A: Oh, great. By the way, we will make a v  4   to England. What do you want me to bring for you? There 

    are a lot things that you have never seen in the s  5   part of Asia.

B: Would you like to buy some good cookbooks about Asian food for me?

A: Books? Why not some n  6   decorations (装饰品) in England. You can make your study more beautiful?

B: Make my study more beautiful?

A: Yes.

B: I beg your p  7  ? I can't understand you. What on earth do you mean?

A: I mean "Shufang" in Chinese, and in English we can say "study".

B: Oh! I didn't know this u  8   of this word. But I still want some books. You know, I will treat some i  9   

    guests to dinner, the majority of whom are from Asia, s 10  as Singapore and England. I plan to cook some

    Asian food for them.

下面对自，节拍停顿正确的项是[ ]

A．啊，我思念那／洞庭湖，我思念那长江，我思念那/东海，……那浩浩荡荡的／无边无际的／伟大的／力呀！那是／自由，是／跳舞，是／音乐，是／诗！

B．啊，我思念那／洞庭湖，我思念那伥江，我思念那／东海，……那浩浩荡荡的／无边无际的／伟大的力呀！／那是／自由，／是／跳舞，／是音乐，／是／诗！

C．啊，我思念那洞庭湖，我思念那长江，我思念那东海，……／那浩浩荡荡的／无边无际的／伟大的力呀！／那是／自由，／是／跳舞，／是音乐，／是／诗！

D．啊，我／思念／那洞庭湖，我／思念／那长江，我／思念／那东海，……那浩浩荡荡的／无边无际的／伟大的／力呀！那是／自由，是／跳舞，是／音乐，是／诗！

根据劳动合同法律制度的规定，用人单位需要裁减人员20人以上或者裁减不足20人但占企业职工总数10%以上的，需要执行的程序有（）。

A.用人单位提前30日向工会或者全体职工说明情况

B.用人单位与劳动者协商一致

C.听取工会或者职工的意见

D.裁减人员方案向劳动行政部门报告

近年来北方冬季频繁发生沙尘暴，这是      发展的表现[ ]

A、水土流失

B、荒漠化

C、气候骤变

D、乱占耕地

关于成骨细胞瘤的MRI影像中，下列哪项错误

A．肿瘤内的非钙化、骨化部分T₁WI上为低到中等信号，T₂WI上呈高信号
B．肿瘤的骨化、钙化部分在各扫描序列上均呈低信号
C．病灶周围的骨髓和软组织内反应性充血性水肿，表现为短T₁、短T₂信号
D．可清楚显示骨壳中断和局部软组织肿胀
E．发生于脊椎的病变如向椎管内扩展，可显示硬膜外肿块和脊髓受压