【单选题】设备与材料的划分:不论成套供货、现场加工或零星购置的贮存罐、闸门等均应作为()
【简答题】The writer cites the Duomo in the last paragraph as an example to illustrate that
【单选题】按果皮的质地不同,可分为肉质果和干果,其中下列何者是属于干果?()
【判断题】“双顶置凸轮轴”的英文缩写是“DOHC”。( )
【简答题】根据果实成熟时果皮的性质分肉果和干果。干果又可分为裂果和()。肉果分类(根据果皮的来源和性质)浆果(葡萄、番茄、柿)、核果(桃、梅、李、杏)和梨果(梨、苹果等)、柑果、瓠果。
【单选题】The writer cites the Duomo in the last paragraph as an example to illustrate that
A.
all churches are magnificent.
B.
there is a tight link between church and society.
C.
old churches are very popular.
D.
high-rise churches are impressive.
【单选题】荚果与角果的根本区别在于( )。
A.
荚果果皮肉质可食,为肉果,角果的果皮干燥,属于干果
C.
荚果由具边缘胎座的一室子房发育来,角果由具中轴胎座的二室子房发育而来
D.
荚果由单心皮雌蕊发育而来,而角果由2心皮组成的雌蕊发育而成
【简答题】球果、干果和肉质果形态成熟表现出什么特征?