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【单选题】
分子与分子间结合成的作用力是 ( )
A.
分子间作用力
B.
氢键
C.
核力
D.
化学键
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知识点:
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举一反三
【单选题】Section B Dialogue One Question 3
A.
Women usually do the cooking in the family.
B.
The woman’s family have turkeys and pumpkin pies every year.
C.
The men usually help with housework after dinner.
D.
The man’s family usually go bowling together after dinner.
【单选题】Section B Dialogue Two Question 1
A.
Nian is a scary beast that ate both the food and people.
B.
The beginning of Chinese New Year started with the fight against a mythical beast called the Nian.
C.
Nian was scared away by a little child carrying lantern.
D.
The villagers would put food in front of their doors to honor t heir ancestors.
【单选题】Section B Dialogue One Question 1
A.
Her mother cooks very well.
B.
Her mother does all the cooking during the festival.
C.
Her mother prefers traditional dishes.
D.
Her mother enjoys the food they make.
【单选题】半合成青霉素的原料是
A.
6-APA
B.
6-ACA
C.
7-APA
D.
7-ACA
【单选题】半合成青霉素的原料是
A.
6-ACA
B.
7-APA
C.
6-APA
D.
7-ACA
E.
7-CAC
【单选题】半合成青霉素的原料是
A.
6-
B.
7-P
C.
6-P
D.
7-
【单选题】Section B Dialogue Two Question 3
A.
Chinese attach great importance to the New Year.
B.
All the family members will come back home and have a reunion dinner.
C.
Every family opens the door and the first thing they do is to greet each other.
D.
Children get their New Year Lucky money from their relatives.
【单选题】Section B Dialogue One Question 2
A.
Roast turkey and sweet potatoes.
B.
B) Roast turkey and puddings.
C.
Sweet potatoes and pudding.
D.
D) Turkey and pumpkin.
【单选题】为了确保地下连续墙槽段与槽段之间连接的止水性和整体性,应根据连续墙的目的选择适当的接头形式,使其既能增加接缝处抗( )能力,又不渗漏。
A.
B.
C.
D.
【单选题】半合成青霉素的原料是
A.
6-ACA
B.
6-APA
C.
7-APA
D.
7-ACA
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