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【单选题】
有关咽交通的描述,错误的是
A.
借鼻后通鼻腔
B.
借咽峡向前通口腔
C.
借喉的入口向前接气管
D.
经咽鼓管通中耳
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参考答案:
举一反三
【简答题】用Servlet读取Cookie信息练习
【单选题】轿车上的刮水器工作刮水周期至少达到()。
A.
200万次
B.
150万次
C.
100万次
D.
50万次
【单选题】Observing the little boy’s guilty blink, I soon came to the __________ that he was lying.
A.
conversation
B.
conclusion
C.
consideration
D.
consumption
【判断题】卡簧钳是专门用来拆卸和安装卡簧的工具
A.
正确
B.
错误
【单选题】Cuttlefish are intriguing little animals. The cut tlefish resembles a rather large squid and is, like the octopus, a member of the order of cephalopods. Although they are not considered the most highl...
A.
I. Explanation of why cuttlefish are intriguing II. Communication skills of cuttlefish
B.
I. Classification and difficulties of observing cuttlefish II. Scientific explanation of modes of cuttlefish communication
C.
I. Explanation of the cuttlefish’s method of locomotion II. Description of color displays in mating behavior
D.
I. General classification and characteristics of cuttlefish II. Uses and beauty of the cuttlefish’s ability to change color
【单选题】某平曲线的半径R=200m,转角50°,缓和曲线Ls=50m,则其回旋曲线参数A为( )。
A.
100m
B.
10m
C.
250m
【单选题】某平曲线的半径R=200m,转角50°,缓和曲线Ls=50m,则其回旋曲线参数A为( )。
A.
100m
B.
10m
C.
250m
D.
300m
【单选题】数控车削加工遵循的原则之一是“先近后远”,所说的远与近是按加工部位先对于( )大小而的距离。
A.
对刀点
B.
刀具
C.
夹具
D.
定位面
【单选题】某平曲线的半径R=200m,转角α=50°,缓和曲线lS=50m,则其回旋曲线参为()。
A.
10m
B.
100m
C.
250m
D.
300m
【单选题】Cuttlefish are intriguing little animals. The cut tlefish resembles a rather large squid and is, like the octopus, a member of the order of cephalopods. Although they are not considered the most highl...
A.
The cuttlefish can be cooked and eaten like its less tender relatives, the squid and octopus, but must still be tenderized before cooking in order not to be exceed ingly chewy.
B.
On a scuba dive when you’re observing cuttlefish, it is best to move slowly because cuttlefish have excellent eyesight and will probably see you first.
C.
Cuttlefish do not have an exoskeleton; instead, their skin is covered with chromataphors.
D.
By far, their most intriguing characteristic is their ability to change their body color and pattern.
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