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举一反三
【单选题】Listen to the text and decide which of the following best states the speaker's purpose of his speech.
A.
To argue that the nation should be ready for a war of resistance against Britain.
B.
To dispute the argument presented in the speeches of previous speakers.
C.
To call upon the house to abandon slavery.
D.
To cherish infinite faith in God who presides over the destinies of the nations.
【单选题】断奶仔猪适宜温度在多少度？ （What is the appropriate temperature for weaning piglets?）
A.
20℃
B.
22℃
C.
24℃
D.
26℃
【单选题】中圈饲养中多少头仔猪配一个饮水器？ （How many piglets are equipped with a water dispenser in the middle circle?）
A.
5头（ 5 heads ）
B.
10头（10 heads）
C.
15头（15 heads ）
D.
20头（20 heads）
【单选题】群内体重差异多少千克内都算合适？ （How many kilograms of weight difference in the group is appropriate?）
A.
2-3Kg
B.
2-4Kg
C.
2-5Kg
D.
2-6Kg