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【单选题】
肾细胞癌MR增强扫描时的强化特点是

延迟期强化常不及肾实质
可为不规则边缘强化
可为不均匀斑片状强化
少数可无明显对比增强
以上均是
【单选题】
Thanks to Mr. Wang, he kept____ us to remember the important things.?

to ask ?
asking ?
to be asked ?
not asking?
【单选题】
关于MR检查图像解读,缺血半暗带的表现为:

DWI和ADC参数图分别表现为高信号区和低信号区;上述区域在T3WI图像显示正常。
MTT异常区域大于DWI和ADC参数图中异常区域的部分为缺血半暗带。
T3WI图像上新鲜梗死区信号增高
以上均是
【单选题】
Mr. Robinson knew that the most trivial chore could prove to be a ____ if approached with enthusiasm.

prize
reward
refund
bonus
【单选题】
Mr. Clinton, together with his wife and children, _______ going to the park next weekend.

is
has
are
was
【单选题】
Mr Longman has played the cello for many years [] but he now conducts an orchestra.

comma
semicolon
【单选题】
Mr. Zhang, _______ we have learned a lot, is very popular among us.

who
from that
from whom
whom
【判断题】
A: Hello, May I talke to Mr. Thomas? B: I’m afraid not.

正确
错误
【单选题】
Mr Guo told us at the beginning of this term that he _________ born on July 24, 1973.

is
was
has been
had been
【单选题】
A: Hello, this is Bill. Id like to speak with Mr Wang, please. B: [填空]

Who is speaking over there?
Sorry, he is not available at the moment.
Can you tell me who you are?
Theres no one here by that name.