皮皮学，免费搜题
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【单选题】
外墙窗、门扇玻璃厚度宜为()A.
7-9mm
B.
5-6mm
C.
9-10mm
D.
11-12mm
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】如图为菜豆种子结构图，请据图回答： （1）写出图示各结构名称： ①______②______③______④______⑤______． （2）菜豆种子储藏营养物质的结构是[______]______． （3）图中①②③④构成了______．保护种子内部结构的是[______]______．
【单选题】Jane takes delight ______ reading novels and watching TV when she stays at home.
A.
in
B.
into
C.
from
D.
By
【单选题】Marry _____ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
A.
has served
B.
had served
C.
has been served
D.
served
【单选题】在糖酵解过程中NADH+H+的去路是
A.
使丙酮酸还原成乳酸
B.
经∝-磷酸甘油穿梭系统进入线粒体氧化
C.
经苹果酸穿梭系统进入线粒体氧化
D.
2-磷酸甘油酸还原为3-磷酸甘油醛
E.
以上都对
【简答题】根据菜豆种子结构示意图，请回答下列问题： （1）菜豆种子的结构是由______和______两部分组成的． （2）在菜豆种子中储存营养物质的结构是[5]______． （3）种子萌发时最先突破种皮的结构是[2]______． （4）菜豆种子的外面有果皮包被，因此在分类上属于______植物．（填“裸子”或“被子”）
【单选题】在糖酵解过程中NADH+H+的去路是
A.
使丙酮酸还原为乳酸
B.
经α-磷酸甘油穿梭系统进入线粒体氧化
C.
经苹果酸穿梭系统进入线粒体氧化
D.
2-磷酸甘油酸还原为3-磷酸甘油醛
E.
以上都对
【简答题】A．Her roommate stays awake all night. B．She needs a quieter place. C．She wants to save money to buy a piano. D．The present apartment is too expensive.
【单选题】Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
A.
has served
B.
had served
C.
is serving
D.
served
【单选题】It's ___ to see her go out; she always stays at home.
A.
often
B.
hardly
C.
rare
D.
never
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