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【单选题】
由于单键内旋转而产生的分子在空间的不同形态,称为:
A.
构造
B.
构象
C.
构型
D.
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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【单选题】During the first week, do not think about distance, but run five minutes longer each day. ___3___, it is wise to take a day off to rest. But during the next week, set a goal of at least a mile and a h...
A.
After six days
B.
For a good marathon runner
C.
Before you begin your training
D.
With each day, increase the distance by a half mile
E.
If they still feel good, you can begin running in them
F.
Time spent for preparation raises the quality of training
G.
Now you are ready to figure out a goal of improving distance and time
查看完整题目与答案
【单选题】题干:根据追越条款,下列说法何者正确?
A.
如后船对本船是否在追越前船有任何怀疑，不论是否存在碰撞危险，均应假定在追越
B.
如后船对本船是否在追越前船有任何怀疑，则根据是否存在碰撞危险，来决定是否在追越
C.
追越形成后，如果不存在碰撞危险，其后两船间的方位变化可能使追越船变为直航船
D.
追越形成后，如果不存在碰撞危险，而其后被追越船转向造成碰撞危险，则视两船间的方位关系可能使追越船变为直航船
查看完整题目与答案
【单选题】题干: A机动船从B机动船右正横后22.5度方向上接近B船,并致有构成碰撞危险,下列说法何者正确? I、如A船对本船是否在追越前船有任何怀疑,应假定在追越 II、如B船对A船是否在追越本船有任何怀疑,应假定在追越 III、如B船对A船是否正在追越本船有怀疑,应将本船作为让路船
A.
Ⅰ
B.
Ⅰ、Ⅱ
C.
Ⅰ、Ⅲ
D.
Ⅰ、Ⅱ、Ⅲ
查看完整题目与答案
【单选题】___ 4 ___ Studies found that people who woke up early for exercise slept better than those who exercised in the evening. Exercise energizes y ou, so it is more difficult to relax and have a peaceful s...
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
查看完整题目与答案
【单选题】题干: 有关旋回要素的说法及实用意义方面,下列何者正确?
A.
漂角越大,船舶旋回性越好
B.
船的进距小,其航向稳定性差
C.
横距可作为船舶掉头所需水域的依据
D.
横距可作为船间安全通过距离的依据
查看完整题目与答案
【判断题】巨型计算机一向被视为国家竞争力的象征，世界上运算速度最快的计算机的宝座今年来一只被美国、中国和日本这三个国家交替占据。
A.
正确
B.
错误
查看完整题目与答案
【判断题】型计算机一向被视为国家竞争力的象征,世界上运行速度最快的计算机的宝座近年来一直被美国、中国和日本这三个国家交替占据。
A.
正确
B.
错误
查看完整题目与答案
【单选题】电子政务的外网是指（）
A.
公众服务层
B.
数据交换层
C.
办公业务层
D.
核心数据层
查看完整题目与答案
【单选题】___ 5 ___ If you work out bright and early in the morning, you will be more likely to stick to healthy food choices throughout the day. Who would want to ruin their good workout by eating junk food? Y...
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
查看完整题目与答案
【简答题】RUN FOR A BETTER LIFE The sport of running offers many advantages．First, it is a great way to get in shape．It also helps relieve stress, gives you more energy, and makes you proud of what ...
查看完整题目与答案
相关题目：
【单选题】During the first week, do not think about distance, but run five minutes longer each day. ___3___, it is wise to take a day off to rest. But during the next week, set a goal of at least a mile and a h...
A.
After six days
B.
For a good marathon runner
C.
Before you begin your training
D.
With each day, increase the distance by a half mile
E.
If they still feel good, you can begin running in them
F.
Time spent for preparation raises the quality of training
G.
Now you are ready to figure out a goal of improving distance and time
查看完整题目与答案
【单选题】题干:根据追越条款,下列说法何者正确?
A.
如后船对本船是否在追越前船有任何怀疑，不论是否存在碰撞危险，均应假定在追越
B.
如后船对本船是否在追越前船有任何怀疑，则根据是否存在碰撞危险，来决定是否在追越
C.
追越形成后，如果不存在碰撞危险，其后两船间的方位变化可能使追越船变为直航船
D.
追越形成后，如果不存在碰撞危险，而其后被追越船转向造成碰撞危险，则视两船间的方位关系可能使追越船变为直航船
查看完整题目与答案
【单选题】题干: A机动船从B机动船右正横后22.5度方向上接近B船,并致有构成碰撞危险,下列说法何者正确? I、如A船对本船是否在追越前船有任何怀疑,应假定在追越 II、如B船对A船是否在追越本船有任何怀疑,应假定在追越 III、如B船对A船是否正在追越本船有怀疑,应将本船作为让路船
A.
Ⅰ
B.
Ⅰ、Ⅱ
C.
Ⅰ、Ⅲ
D.
Ⅰ、Ⅱ、Ⅲ
查看完整题目与答案
【单选题】___ 4 ___ Studies found that people who woke up early for exercise slept better than those who exercised in the evening. Exercise energizes y ou, so it is more difficult to relax and have a peaceful s...
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
查看完整题目与答案
【单选题】题干: 有关旋回要素的说法及实用意义方面,下列何者正确?
A.
漂角越大,船舶旋回性越好
B.
船的进距小,其航向稳定性差
C.
横距可作为船舶掉头所需水域的依据
D.
横距可作为船间安全通过距离的依据
查看完整题目与答案
【判断题】巨型计算机一向被视为国家竞争力的象征，世界上运算速度最快的计算机的宝座今年来一只被美国、中国和日本这三个国家交替占据。
A.
正确
B.
错误
查看完整题目与答案
【判断题】型计算机一向被视为国家竞争力的象征,世界上运行速度最快的计算机的宝座近年来一直被美国、中国和日本这三个国家交替占据。
A.
正确
B.
错误
查看完整题目与答案
【单选题】电子政务的外网是指（）
A.
公众服务层
B.
数据交换层
C.
办公业务层
D.
核心数据层
查看完整题目与答案
【单选题】___ 5 ___ If you work out bright and early in the morning, you will be more likely to stick to healthy food choices throughout the day. Who would want to ruin their good workout by eating junk food? Y...
A.
You will stick to your diet.
B.
Your quality of sleep improves.
C.
You prefer healthy food to fast food.
D.
There is no reason you should exercise in the morning.
E.
You can keep your head clear for 4-10 hours after exercise.
F.
After you exercise, you continue to burn calories throughout the day.
G.
If you are planning to do exercise regularly, or you’re doing it now, then listen up!
查看完整题目与答案
【简答题】RUN FOR A BETTER LIFE The sport of running offers many advantages．First, it is a great way to get in shape．It also helps relieve stress, gives you more energy, and makes you proud of what ...
查看完整题目与答案