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【简答题】
C语言实现:求一个整数的绝对值
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举一反三
【单选题】Which of the following is a plant bacterium used to grow vaccines?
A.
agrobacterium tumefasciens
B.
coli
C.
Norwalk
D.
one that causes diarrhea
【简答题】选词填空。 grow；plant 1. The students are _____ trees on the hill. 2. They _____ bananas in Hainan. 3. He _____ vegetables. 4. People _____ rice in the south of China.
【简答题】看图，选择对应的句子。 ( ) 1. A. Wait for it to grow. ( ) 2. B. Put the plant in the soil. ( ) 3. C. Water it. ( ) 4. D. Dig the soil.
【单选题】Which of the following is not a plant that can be used to grow vaccines?
A.
potato
B.
tobacco
C.
agrobacterium tumefasciens
D.
banana
【单选题】It is the best for this kind of plant to grow in ______ is warm and rainy.
A.
that
B.
what
C.
which
D.
where
【简答题】纪念品店加工一种艺术节比赛奖杯(如图)。加工时,一个有机玻璃圆柱正好可以截成两个这样的奖杯。求一个奖杯的体积。
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