皮皮学,免费搜题
登录
搜题
【单选题】
脂类包括脂肪和类脂,天然食物中脂肪和类脂是共存的,一般脂肪占脂类的( )
A.
95%
B.
80%
C.
50%
D.
25%
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】在其它条件相同的情况下,下列织物手感最柔软的是________。
A.
平纹织物
B.
斜纹组织
C.
缎纹组织
D.
重纬组织
【单选题】幼儿想象的再造性是针对( )而言的
A.
想象发生
B.
想象过程
C.
想象目的
D.
想象内容
【单选题】We are planning to have a surprise party her fifteenth birthday.
A.
at
B.
in
C.
for
D.
with
【简答题】如图1-29所示,在光滑水平地面上,质量分别为m1,m2木块,位于x轴上,开始时静止。用一根质量可忽略,弹性系数为k,原长为l0的轻弹簧相连。用外力F=一Fi将其压到墙上而平衡,然后释放。求m1,m2的运动方程。
【简答题】We are planning to go on a trip to Europe next month.
【简答题】May Day holiday is coming. My family are discussing w 1 to do for it. We are planning to travel a 2     . We want to go to Singapore because my dad has g 3 to Singapore for a meeting. He has b 4 there...
【简答题】根据句意和汉语提示,填写恰当的短语完成下列句子。 1. We are so tired these days. We are planning to ____________(休假) next month. 2. I can't play table tennis with you this afternoon because I will ________________(上一节舞蹈课). 3....
【单选题】—We are planning to have a casual get-together this Saturday or Sunday. Are you coming? —______. I’ve got rather a busy day this weekend.
A.
I hope so
B.
Sounds great
C.
You’d better not
D.
I’m afraid not
【判断题】拍摄特写最好选择前照光。
A.
正确
B.
错误
【单选题】一质量为m的木块放在地面上,用一根轻弹簧连着木块,如图示,用恒力F拉弹簧,使木块离开地面,如果力F的作用点向上移动的距离为h,则( )
A.
木块的重力势能增加了Fh
B.
木块的机械能增加了Fh
C.
拉力做的功为Fh
D.
木块的动能增加了Fh
相关题目: