我国房地产投资统计包含房地产开发投资和房地产购买投资。( )
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正常卵泡发育成熟时体积显著增大，可达
A. 10～14mm
B. 15～20mm
C. 25～30mm
D. 30～35mm
E. 35～40mm
关于成熟卵泡，下列叙述错误的是
A. 卵丘突出于卵泡腔，卵细胞深藏其中
B. 卵泡内膜血管丰富，细胞由颗粒细胞衍化而来
C. 卵泡外膜为致密的卵巢间质组织
D. 颗粒细胞无血管，其营养来自外围的卵泡内膜
E. 透明带存在于放射冠与卵细胞之间
What would happen if a trademark were not properly protected
A. The products would have to be sold at a higher price.
B. The products would become available to all manufacturers.
C. The factories producing the products would be closed.
D. The trademark would become available to all manufacturers.
When were the trademark registration provisions modified
A. 1880.
B. 1870.
C. 1905.
D. 1915
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