皮皮学,免费搜题
登录
搜题
【单选题】
维生素是机体维持正常代谢和功能所必须的
A.
低分子化合物
B.
中分子化合物
C.
高分子化合物
D.
聚合物
E.
络合物
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】New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages -- has changed as much as what they eat. The original chocolate drink was made from th...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】已知 20 °C 时水 - 空气的界面张力为 7.27×10 -2 N/m ,当在 20 °C 和 100 KPa 下可逆地增加水的表面积 4 cm 2 ,则该过程所涉及的 W 为( )。
A.
2.91 × 10 - 5 J
B.
2.91 × 10 - 1 J
C.
-2.91 × 10 - 5 J
D.
-2.91 × 10 - 1 J
【单选题】she ( ) a dragon on the new cloth.
A.
dress
B.
draw
C.
worked
D.
work
【单选题】New Foods and the New World In the last 500 years, nothing about people – not their clothes, ideas, or languages – has changed as much as what they eat. The original chocolate drink was made from the ...
A.
Food
B.
Clothing
C.
Ideology.
D.
Language.
【单选题】已知 20°C 时,水 — 空气的界面张力为 7.28×10 -2 N·M -1 ,当在 20°C 、 p Θ 下可逆地增大水的表面积 4 cm 2 时,需要做功( )
A.
2.91×10 - 5 J
B.
2.91×10 - 1 J
C.
2.91×10 - 3 J
D.
2.91×10 - 7 J
【单选题】New Foods and the New World In the last 500 years, nothing about people---not their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the se...
A.
Food
B.
Clothing
C.
Ideology
D.
Language
【单选题】We wear new on the Spring Festival's Eve [     ]
A.
a cloth
B.
cloth
C.
clothing
D.
clothes
【单选题】Be careful! You ______ my new table cloth.
A.
are to spoil
B.
will spoil
C.
are going to spoil
D.
are spoiling
【单选题】Emily,Re our new catalogue, just received, Vanters want to see 'Primavers' cloth. Please send samples urgently. (They've got prices.)Vanters need ______ .
A.
samples of material.
B.
the latest catalogue,
C.
a current price list.
【单选题】The new kind of cloth ________ very soft and comfortable.
A.
feels
B.
smells
C.
looks
D.
sounds
相关题目: