单项选择题
A.weakens
B.heightens
C.strengthens
D.sharpens
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单项选择题
A.nearlyB.mostlyC.seeminglyD.actually
A.nearly
B.mostly
C.seemingly
D.actually
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单项选择题
A.cameraB.machineC.pictureD.photo
A.camera
B.machine
C.picture
D.photo
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