皮皮学,免费搜题
登录
搜题
【单选题】
我国南方和北方的地理分界线是
A.
秦岭淮河一线
B.
长江
C.
黄河
D.
太行山
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
【单选题】2011年-2015年间,甲地的农业生产总值平均增长速度比乙地高5%,这是( )
A.
动态相对指标
B.
比例相对指标
C.
比较相对指标
D.
强度相对指标
【单选题】Foods That Fight Disease With remarkable consistency, recent research has found that a diet high in plant-based foods—fruits, vegetables, dried peas and beans, grains, and starchy staples such as pota...
A.
Y
B.
N
C.
NG
【简答题】脂肪酸的比例合理是食用油营养的基石,一般推荐人们饮食结构中饱和脂肪酸、单不饱和脂肪酸、多不饱和脂肪酸最好达到的 比例。在日常生活中,由于人们肉类食品的摄入,人体中饱和脂肪酸相对过量。为了适当降低饱和脂肪酸的含量,在调和油产品中,饱和脂肪酸、单不饱和脂肪酸、多不饱和脂肪酸的比例为 。
【单选题】Foods That Fight Disease With remarkable consistency, recent research has found that a diet high in plant -based foods—fruits, vegetables, dried peas and beans, grains, and starchy staples such as pot...
A.
Y
B.
N
C.
NG
【单选题】亚油酸属于
A.
饱和脂肪酸
B.
多不饱和脂肪酸
C.
单不饱和脂肪酸
D.
中性脂肪酸
E.
类脂
【单选题】Recent research has claimed that an excess of positive ions in the air can have an ill effect on people' s physical or psychological health. What are positive ions? Well, the air is full of ions, elec...
A.
washing machines
B.
wearing clothes made of natural materials
C.
walking on artificial floor coverings
D.
listening to the tape recorder
【单选题】每天摄入的脂类中,饱和脂肪酸SFA、单不饱和脂肪MUFA和多不饱和脂肪酸PUFA的最佳比例是:
A.
1:2:1
B.
1:2:3
C.
1:1:1
D.
2:1:2
【多选题】“路—沟—渠” 型式如图,道路布置在灌水田块的下端,位于排水沟的上侧。这种布置形式缺点如下()。
A.
道路要与雨季田地和道路容易积水或受淹;农渠相交,需要修建桥涵等交叉 建筑物,若交叉建筑物过少或孔径不足,则影响排水;
B.
雨季田地和道路容易积水或受淹;
C.
今后机耕道拓宽也比较困难;
D.
今后机耕道拓宽也比较容易。
【多选题】“路—沟—渠” 型式如图,道路布置在灌水田块的下端,位于排水沟的上侧。这种布置形式缺点如下()。
A.
道路要与农渠相交,需要修建桥涵等交叉 建筑物,若交叉建筑物过少或孔径不足,则影响排水;
B.
雨季田地和道路容易积水或受淹;
C.
今后机耕道拓宽也比较困难;
D.
今后机耕道拓宽也比较容易。
【单选题】Recent research has claimed that an excess of positive ions in the air can have an ill effect on people's physical or psychological health. What are positive ions? Well, the air is full of ions, elect...
A.
They think they are insane.
B.
They feel rather bad-tempered and short-fused.
C.
They become violently sick.
D.
They are too tired to do anything.
相关题目: