We have many ________ in the following picture.[img=650x488]1802e30c9f275bc.jpg[/img]
A: points
B: lines
C: triangles
D: hearts
A: points
B: lines
C: triangles
D: hearts
C
举一反三
- We have many ________ in the following picture.[img=991x733]18035d44eb1382d.png[/img] A: points B: lines C: triangles D: hearts
- 中国大学MOOC: We have many ________ in the following picture.
- How<br/>many people are there in this picture? —— There<br/>are ______ people in the picture.
- According to what you have learned in this course,who is the girl in the following picture?[img=295x222]17a411093e27d33.png[/img]
- What does number 9 indicate in the following picture?[img=624x910]18030c08df89f9f.png[/img] A: sphenoid bone B: temporal bone C: frontal bone D: parietal bone E: occipital bone
内容
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One of the triangles in the following figure represents the true shape of the plane.[img=145x189]1803a0cf3b33d38.jpg[/img]
- 1
X为随机变量，E(X)=-1,D(X)=3,则[img=105x27]17de66c4ef75d99.png[/img] A: 18 B: 9 C: 30 D: 32
- 2
What does number 9 indicate in the following picture?[img=624x910]17de6b353851322.png[/img] A: sphenoid bone B: temporal bone C: frontal bone D: parietal bone
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what is it in the following picture?This is a ______________.[img=205x204]1803031c915bfff.png[/img]
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X为随机变量，E(X)=-1，D(X)=3，则E(3[img=24x22]1803da40b5dbfd6.png[/img]+20)=( ) A: 18 B: 9 C: 30 D: 32