皮皮学，免费搜题
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【单选题】
这类树种对烟尘及有害气体有较,还能吸收部分有害气体,起到净化空气的作用,特别适于厂矿和特殊地区绿化要求:
A.
孤植树
B.
抗污染植物
C.
行道树
D.
绿篱树
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参考答案：
举一反三
【单选题】The relaxation of skeletal muscle relies on the activity of the ________, which decreases cytoplasmic calcium concentration.
A.
ryanodine receptor
B.
dihydropyridine (DHP) receptor (L-type calcium channel)
C.
acetylcholine receptor
D.
Ca2+ ATPase
查看完整题目与答案
【单选题】Which statement is NOT true about effects of calcium overload on nerve cells?
A.
Calcium overload induced decreased glutamate level in brain
B.
Calcium overload interfering with tissue energy metabolism
C.
Calcium overload aggravates cerebral ischemia and hypoxia
D.
Calcium overload induced ROS production
查看完整题目与答案
【简答题】Besides calcium and iron, athletes also need______which will help them access energy and pr them from getting ill.
查看完整题目与答案
【单选题】下列不属于Word窗口组成部分的是( )
A.
标题栏
B.
对话框
C.
菜单栏
D.
状态栏
E.
C
查看完整题目与答案
【单选题】如果某种东西你需要,但是你不愿为此花钱,那就说明这类东西存在( )。
A.
搭便车的可能
B.
供给过剩
C.
可以自由取用
D.
没有办法提供
查看完整题目与答案
【判断题】高尔基体和内质网都能进行蛋白质的运输,二者的主要区别是:高尔基体具有分拣作用,内质网则无
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following statements is NOT true?
A.
Today you can get calcium without eating any high-fat or high-calorie foods by choosing skim mill or low-fat yogurt.
B.
Calcium plays an important role in the movement of protein and nutrients inside cells.
C.
You can rely on pills instead of a calcium-rich diet to take enough calcium.
D.
If you want to absorb calcium, you should expose yourself to the sun's rays.
查看完整题目与答案
【单选题】We may infer that 'iodine, fluoride and calcium' are______.
A.
substances which act positively or negatively on man's health
B.
harmful substances in the water supply
C.
substances which help provide breeding places for pests
D.
substances contributory to good health
查看完整题目与答案
【单选题】下列不属于Word窗口组成部分的是( )
A.
标题栏
B.
对话框
C.
菜单栏
D.
状态栏
查看完整题目与答案
【单选题】青蒿素的抗疟作用特点不包括
A.
高效
B.
低毒
C.
复发率高
D.
长效
查看完整题目与答案
相关题目：
【单选题】The relaxation of skeletal muscle relies on the activity of the ________, which decreases cytoplasmic calcium concentration.
A.
ryanodine receptor
B.
dihydropyridine (DHP) receptor (L-type calcium channel)
C.
acetylcholine receptor
D.
Ca2+ ATPase
查看完整题目与答案
【单选题】Which statement is NOT true about effects of calcium overload on nerve cells?
A.
Calcium overload induced decreased glutamate level in brain
B.
Calcium overload interfering with tissue energy metabolism
C.
Calcium overload aggravates cerebral ischemia and hypoxia
D.
Calcium overload induced ROS production
查看完整题目与答案
【简答题】Besides calcium and iron, athletes also need______which will help them access energy and pr them from getting ill.
查看完整题目与答案
【单选题】下列不属于Word窗口组成部分的是( )
A.
标题栏
B.
对话框
C.
菜单栏
D.
状态栏
E.
C
查看完整题目与答案
【单选题】如果某种东西你需要,但是你不愿为此花钱,那就说明这类东西存在( )。
A.
搭便车的可能
B.
供给过剩
C.
可以自由取用
D.
没有办法提供
查看完整题目与答案
【判断题】高尔基体和内质网都能进行蛋白质的运输,二者的主要区别是:高尔基体具有分拣作用,内质网则无
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following statements is NOT true?
A.
Today you can get calcium without eating any high-fat or high-calorie foods by choosing skim mill or low-fat yogurt.
B.
Calcium plays an important role in the movement of protein and nutrients inside cells.
C.
You can rely on pills instead of a calcium-rich diet to take enough calcium.
D.
If you want to absorb calcium, you should expose yourself to the sun's rays.
查看完整题目与答案
【单选题】We may infer that 'iodine, fluoride and calcium' are______.
A.
substances which act positively or negatively on man's health
B.
harmful substances in the water supply
C.
substances which help provide breeding places for pests
D.
substances contributory to good health
查看完整题目与答案
【单选题】下列不属于Word窗口组成部分的是( )
A.
标题栏
B.
对话框
C.
菜单栏
D.
状态栏
查看完整题目与答案
【单选题】青蒿素的抗疟作用特点不包括
A.
高效
B.
低毒
C.
复发率高
D.
长效
查看完整题目与答案
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