对于脑梗死,最早能显示缺血病灶的检查是()
A.CT
B.TCD
C.MRA
D.MRI
E.血管彩超
参考答案:D
情景交际。
1.当你想问你的眼镜在哪里时,应该说:[ ]
A. Where is my glass?
B. Where are my glasses?
2.当你想知道客厅在哪里时,应该说:[ ]
A. Where's the living room?
B. How is the living room?
3.当你想知道妈妈是否在厨房里时,应该问:[ ]
A. Is Mom in the bathroom?
B. Is Mom in the kitchen?
4.当你想知道书是否在桌子上时,应该问:[ ]
A. Books are on the chair.
B. Are books on the table?
在配制溶液时,某同学向一定量的氯化钠溶液中加入10g氯化钠,充分搅拌后氯化钠完全溶解,得到溶质质量分数为20%的氯化钠溶液100g.则原氯化钠溶液的质量分数是( )
A.9.1%
B.10.1%
C.11.1%
D.15.1%