在真蕨植物叶的背面，肉眼能看到各种形状的孢子囊。( )

【名词&注释】

淀粉酶(amylase)、中国画(chinese painting)、甜玉米(sweet corn)、植物蛋白(vegetable protein)、油料作物(oil crop)、孢子囊(sporangium)、南美洲(south america)、玉米粒(corn grain)、糖分子结构(sugar molecular)

[单选题]在真蕨植物叶的背面，肉眼能看到各种形状的孢子囊。( )

A. 正确
B. 错误

查看答案&解析

举一反三：

[单选题]We are invited to a party _________in our club next Friday.

A. to be held
B. held
C. being held
D. holding

[单选题]

A. applying
B. asking
C. looking
D. working

[单选题]乙地所属气候类型分布范围最广的大洲是

A. 亚洲
B. 非洲
C. 欧洲
D. 南美洲^{(south america)}

[单选题]In the opinion of most parents, .

A. economics should be the focus of school teaching
B. more students should be admitted to universities
C. the teaching of financial matters should be strengthened.
D. children should solve financial problems themselves

[单选题]The school was moved out of downtown as the number of students had grown too_______．

A. small
B. few
C. 1arge
D. many

[单选题]The passage is intended to _____________

A. warn us of the danger in the subway
B. show US how to save people in the subway
C. tell US about a subway rescue
D. report a traffic accident

[单选题]安徽宣城所产著名的中国画纸张——“宣纸”的原料是( )的茎皮纤维。

A. 苎麻
B. 桑
C. 青檀
D. 化香

[单选题]将刚采摘的乱玉米立即放入沸水中片刻，可保持其甜味。这是因为加热会

A. 提高淀粉酶活性
B. 改变可溶性糖分子结构^{(sugar molecular)}
C. 防止玉米粒^{(corn grain)}发芽
D. 破坏将可溶性糖转化为淀粉的酶

[单选题]大豆原产我国，是重要的油料作物和食用植物蛋白来源。( )

A. 正确
B. 错误

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