皮皮学，免费搜题
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【单选题】
酶是具有生物催化功能的？
A.
蛋白质
B.
RNA
C.
生物大分子
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
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举一反三
【单选题】Which food should be recommended for preparation of pregnancy?
A.
skim milk
B.
raw milk
C.
full fat dairy
D.
prepackaged foods
查看完整题目与答案
【单选题】Which type of food should be recommended to slow-growing child with appetite losing
A.
Vegetables and fruits
B.
Fermented food
C.
Lean meat
D.
Sea food
查看完整题目与答案
【多选题】( ) 在常态时,阀口是常开的,进、出油口相通 : ( ) 、 ( ) 在常态状态时,阀口是常闭的,进、出油口不通。
A.
溢流阀
B.
减压阀
C.
. 顺序阀
D.
.
查看完整题目与答案
【多选题】______ 在常态状态时,阀口是常闭的,进、出油口不通; ___ 在常态时,阀口是常开的,进、出油口相通。
A.
溢流阀
B.
减压阀
C.
顺序阀
D.
换向阀
查看完整题目与答案
【多选题】( )在常态时,阀口是常开的,进、出油口相通: ( )、( )在常态状态时,阀口是常闭的,进、出油口不通。
A.
溢流阀
B.
减压阀
C.
顺序阀
查看完整题目与答案
【简答题】（）在常态时，阀口是常开的，进、出油口相通；（）、（）在常态状态时，阀口是常闭的，进、出油口不通。
查看完整题目与答案
【单选题】About Passage 3 Question 24,which choice should be selected?
A.
No smoking or drinking guarantees happiness.
B.
Kids with happy characters are less inclined to drink.
C.
Unhappy kids are more likely to be less healthy.
D.
Eating junk food worsens kids’ health.
查看完整题目与答案
【单选题】which food should be mainly supplemented in Nutritional megaloblastic anemia?
A.
potassium salt（钾盐）
B.
folic acid
C.
iron agent
D.
calcium agent
E.
protein
查看完整题目与答案
【单选题】About Passage 3 Question 23,which choice should be selected?
A.
Those who seldom sleep.
B.
Those who seldom drink.
C.
Those who often smoke.
D.
Those who often eat junk food.
查看完整题目与答案
【单选题】About News1 Question2,which choice should be selected?
A.
Food
B.
Donations
C.
Furniture
D.
Clothes
查看完整题目与答案
相关题目：
【单选题】Which food should be recommended for preparation of pregnancy?
A.
skim milk
B.
raw milk
C.
full fat dairy
D.
prepackaged foods
查看完整题目与答案
【单选题】Which type of food should be recommended to slow-growing child with appetite losing
A.
Vegetables and fruits
B.
Fermented food
C.
Lean meat
D.
Sea food
查看完整题目与答案
【多选题】( ) 在常态时,阀口是常开的,进、出油口相通 : ( ) 、 ( ) 在常态状态时,阀口是常闭的,进、出油口不通。
A.
溢流阀
B.
减压阀
C.
. 顺序阀
D.
.
查看完整题目与答案
【多选题】______ 在常态状态时,阀口是常闭的,进、出油口不通; ___ 在常态时,阀口是常开的,进、出油口相通。
A.
溢流阀
B.
减压阀
C.
顺序阀
D.
换向阀
查看完整题目与答案
【多选题】( )在常态时,阀口是常开的,进、出油口相通: ( )、( )在常态状态时,阀口是常闭的,进、出油口不通。
A.
溢流阀
B.
减压阀
C.
顺序阀
查看完整题目与答案
【简答题】（）在常态时，阀口是常开的，进、出油口相通；（）、（）在常态状态时，阀口是常闭的，进、出油口不通。
查看完整题目与答案
【单选题】About Passage 3 Question 24,which choice should be selected?
A.
No smoking or drinking guarantees happiness.
B.
Kids with happy characters are less inclined to drink.
C.
Unhappy kids are more likely to be less healthy.
D.
Eating junk food worsens kids’ health.
查看完整题目与答案
【单选题】which food should be mainly supplemented in Nutritional megaloblastic anemia?
A.
potassium salt（钾盐）
B.
folic acid
C.
iron agent
D.
calcium agent
E.
protein
查看完整题目与答案
【单选题】About Passage 3 Question 23,which choice should be selected?
A.
Those who seldom sleep.
B.
Those who seldom drink.
C.
Those who often smoke.
D.
Those who often eat junk food.
查看完整题目与答案
【单选题】About News1 Question2,which choice should be selected?
A.
Food
B.
Donations
C.
Furniture
D.
Clothes
查看完整题目与答案