【单选题】【消耗次数：1】
Hurricanes are severe cyclones with winds over
seventy five miles an hour ____ originate over tropical
ocean waters.
①
which
②
who
③
where
④
how to
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相关题目
【单选题】
Hurricanes are severe cyclones with winds over seventy five miles an hour _____ originate over tropical ocean waters.
①
which
②
who
③
where
④
how to
【单选题】
That man alone over there – who is he?
①
He is a student
②
He is Doctor Took
③
A driver, I suppose
④
He’s drunk
【单选题】
The manager came over and asked the customer how ___.
①
did the quarrel came about
②
the quarrel had come about
③
had the quarrel come about
④
had the quarrel come about
【单选题】
By the end of last month, she ____ over five hundred letters of congratulation from different parts of the world.
①
would received
②
has received
③
had received
④
receive
【单选题】
By the end of last month, she _____ over five hundred letters of congratulation from different parts of the world.
①
would received
②
has received
③
had received
④
receive
【单选题】
The airport is five miles ____ my house.
①
away from
②
far from
③
far away from
④
far from away
【单选题】
It is ____ to fly an airplane at three thousand miles an hour.
①
possible
②
likely
③
maybe
④
probable
【单选题】
18. ______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west.
①
That
②
When
③
Where
④
Though
【单选题】
Chronologically the Victorian period roughly coincides with the reign of Queen _____ who ruled over England from 1836 to 1901.
①
Elizabeth
②
Victoria
③
Mary
④
Anne
随机题目
【单选题】
下列关于CBCT图像的描述，错误的是（）
①
CBCT空间分辨率较高，能较清晰显示牙齿根管系统、窝沟形态等
②
与螺旋CT相比，扫描同样的含金属的样本后CBCT的金属伪影较小
③
在CBCT图像中可以清晰显示颌面部腺体、肌肉等结构
④
CBCT对于颞下颌关节的显示效果优于关节薛氏位
【单选题】
下列关于CBCT拍摄技术，描述错误的是（）
①
CBCT的视野越大，体素越小
②
CBCT扫描范围内有烤瓷冠，成像图像会变灰
③
在拍摄CBCT时，尽量叮嘱患者轻缓呼吸以减小运动伪影的产生
④
拍摄硬腭软组织包块时可让患者咬一透射杆以防止舌腭接触
【单选题】
关于后牙区下牙槽神经管叙述有误的是（）
①
开口于下颌升支内面、下颌小舌处
②
于降支内斜向前行，下颌体内几乎垂直走行
③
于前磨牙根方分为切牙神经管和颏管，向后上形成回袢开口于颏孔
④
损伤可造成麻木
【单选题】
下列关于CBCT的描述，不正确的是（）
①
拍摄CBCT时，扫描的时间越长，图像清晰度越高
②
针对不同的患者可以改变CBCT的管电流和管电压以获取更佳的图像质量
③
CBCT扫描视野越大，精度越小
④
部分容积效应导致的伪影无法通过技术手段消除
【单选题】
关于个别正常合概念说法错误的是()
①
存在轻微的错牙合畸形
②
对生理过程无大妨碍
③
必须保存全副牙列，且上下牙尖窝关系完全正确
④
个体之间表现有所不同
⑤
对美观无大影响
【单选题】
关于错牙合畸形定义不正确的是()
①
错牙合畸形可以有先天性因素引起
②
错牙合畸形可以有后天性因素引起
③
近代错牙合畸形的概念只是指牙齿错位和排列不齐
④
错牙合畸形的机制是牙量与骨量，牙齿与颌骨，下牙弓，上下颌骨，颌骨与颅面之间的不协调
⑤
WHO把错牙合畸形定义为“牙面异常”，不但影响外貌，也影响功能