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【单选题】
膳食补充剂是以维生素、矿物质及构效关系相对明确的提取物为主要原料，通过口服补充人体必需的营养素和生物活性物质，达到提高机体健康水平和降低疾病风险的目的，一般以片剂或胶囊剂等浓缩形态存在。 根据上述定义，下列各项属于膳食补充剂的是：
A.
某种冷饮中添加了防止氧化的防腐剂
B.
经常吃过年时女儿带来的维生素片
C.
对养生非常在行。通过搭配各种食物来调节体内各种微量元素的平衡
D.
觉得口服中药太苦，于是自己把药碾碎，制作成胶囊
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举一反三
【多选题】易化扩散的特点包括:
A.
特异性
B.
逆浓度差进行
C.
饱和性
D.
竞争性抑制
查看完整题目与答案
【多选题】通道易化扩散的特点包括
A.
离子选择性
B.
转运速度快
C.
门控特性
D.
需要消化能量
查看完整题目与答案
【单选题】To refute an argument by parallel reasoning is to
A.
show that the form of the argument is valid, by producing another valid argument of the same form.
B.
show that the form of the argument is invalid, by producing another valid argument of the same form.
C.
show that the form of the argument is valid, by producing another invalid argument of the same form.
D.
show that the form of the argument is invalid, by producing another invalid argument of the same form.
E.
all of the above
查看完整题目与答案
【单选题】热带气旋(台风)警报中常见的“MOVING WEST 12KNOTS ACCELERATING”通常是指 ________ 。
A.
某台风正以12kn的速度向西加速移动
B.
某台风正以每小时12km的速度向西减速移动
C.
某台风正以12kn的速度向西减速移动
D.
某台风正以12kn的速度向西移动
查看完整题目与答案
【多选题】载体易化扩散的特点包括
A.
饱和现象
B.
结构特异性
C.
竞争性抑制
D.
需要特殊膜蛋白质的“帮助”
查看完整题目与答案
【单选题】热带气旋(台风)警报中常见的“MOVING WEST 10 KNOTS DECELEARATING”通常是指 ________ 。
A.
某台风正以10kn的速度向西加速移动
B.
某台风正以每小时10km的速度向西减速移动
C.
某台风正以10kn的速度向西减速移动
D.
某台风正以每小时10km的速度向西加速移动
查看完整题目与答案
【简答题】The argument is very (convince)____________.
查看完整题目与答案
【单选题】An ad hominem argument
A.
is an argument that the members of a group must have a property because the group as a whole has that property.
B.
is an argument that criticizes what a person says by criticizing the person who says it.
C.
is an argument that supports what a person says by citing good properties of the person who says it.
D.
is an argument that tries to refute a position by showing that it implies something that is obviously false.
E.
is an argument with a premise or conclusion that cannot be falsified by any possible event.
查看完整题目与答案
【单选题】To refute an argument by parallel reasoning is to
A.
show that the form of the argument is valid, by producing another valid argument of the same form.
B.
show that the form of the argument is invalid, by producing another valid argument of the same form.
C.
show that the form of the argument is valid, by producing another invalid argument of the same form.
D.
show that the form of the argument is invalid, by producing another invalid argument of the same form.
E.
A ll of the above .
查看完整题目与答案
【单选题】Argument markers
A.
indicate that something is a premise or conclusion.
B.
indicate whether an argument is inductive or deductive.
C.
indicate that an argument is being used for justification instead of explanation.
D.
include assuring, guarding, and discounting terms.
查看完整题目与答案
相关题目：
【多选题】易化扩散的特点包括:
A.
特异性
B.
逆浓度差进行
C.
饱和性
D.
竞争性抑制
查看完整题目与答案
【多选题】通道易化扩散的特点包括
A.
离子选择性
B.
转运速度快
C.
门控特性
D.
需要消化能量
查看完整题目与答案
【单选题】To refute an argument by parallel reasoning is to
A.
show that the form of the argument is valid, by producing another valid argument of the same form.
B.
show that the form of the argument is invalid, by producing another valid argument of the same form.
C.
show that the form of the argument is valid, by producing another invalid argument of the same form.
D.
show that the form of the argument is invalid, by producing another invalid argument of the same form.
E.
all of the above
查看完整题目与答案
【单选题】热带气旋(台风)警报中常见的“MOVING WEST 12KNOTS ACCELERATING”通常是指 ________ 。
A.
某台风正以12kn的速度向西加速移动
B.
某台风正以每小时12km的速度向西减速移动
C.
某台风正以12kn的速度向西减速移动
D.
某台风正以12kn的速度向西移动
查看完整题目与答案
【多选题】载体易化扩散的特点包括
A.
饱和现象
B.
结构特异性
C.
竞争性抑制
D.
需要特殊膜蛋白质的“帮助”
查看完整题目与答案
【单选题】热带气旋(台风)警报中常见的“MOVING WEST 10 KNOTS DECELEARATING”通常是指 ________ 。
A.
某台风正以10kn的速度向西加速移动
B.
某台风正以每小时10km的速度向西减速移动
C.
某台风正以10kn的速度向西减速移动
D.
某台风正以每小时10km的速度向西加速移动
查看完整题目与答案
【简答题】The argument is very (convince)____________.
查看完整题目与答案
【单选题】An ad hominem argument
A.
is an argument that the members of a group must have a property because the group as a whole has that property.
B.
is an argument that criticizes what a person says by criticizing the person who says it.
C.
is an argument that supports what a person says by citing good properties of the person who says it.
D.
is an argument that tries to refute a position by showing that it implies something that is obviously false.
E.
is an argument with a premise or conclusion that cannot be falsified by any possible event.
查看完整题目与答案
【单选题】To refute an argument by parallel reasoning is to
A.
show that the form of the argument is valid, by producing another valid argument of the same form.
B.
show that the form of the argument is invalid, by producing another valid argument of the same form.
C.
show that the form of the argument is valid, by producing another invalid argument of the same form.
D.
show that the form of the argument is invalid, by producing another invalid argument of the same form.
E.
A ll of the above .
查看完整题目与答案
【单选题】Argument markers
A.
indicate that something is a premise or conclusion.
B.
indicate whether an argument is inductive or deductive.
C.
indicate that an argument is being used for justification instead of explanation.
D.
include assuring, guarding, and discounting terms.
查看完整题目与答案