[交流] 每周一听——那些年我们一起练过的听力（第55期）已有54人参与

每周一听——那些年我们一起练过的听力（第55期）

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评分规则：
每篇设空十处，难度逐渐增加，每答对一空奖励一个BB，答对第十空奖励2BB。全对的虫子可得15个BB奖励。大家加油哦~~~~~~

    Beets are a tasty root vegetable that do not require much work in the garden. People might think beets are always dark red. But they can also be pink, yellow or white. Beets with    (1)    of red and white inside are known as candy cane or candy stripe beets.

    Beets are high in nutrients including folate, iron and fiber. They can be eaten fresh or frozen,    (2)    or pickled. And not just the root but also the tops can be eaten. The leaves make good salads when the plants are young, and the greens can be cooked when the plants are older.

    Beets like cool temperatures, between sixteen and eighteen degrees Celsius. They grow best in full sun and in    (3)    soil that is not too wet.

    Remove stones from the soil while    (4)    the ground. And test the soil before adding lime and fertilizer. Some experts say the best fertilizers for beets are low in nitrogen. Beets need the    (5)    level in the soil to be six to seven and a half.

    Beet seeds can be planted as soon as the soil is able to be worked at the start of the growing season. Planting them every two to three weeks will provide    (6)    into the fall.

    Iowa State University horticulture specialist Cindy Haynes suggests planting the seeds a little more than one centimeter deep. They should be    (7)    that are spaced thirty to forty-six centimeters apart.

    A beet seed is a fruit containing several seeds. Overcrowding the plants will mean that the roots cannot    (8)    and grow. Thin the beets by removing the smaller ones. These can be used as greens.

    Cindy Haynes says little or no fertilizer is needed in    (9)    . But once the seeds are planted, she does suggest covering the soil with a little mulch to protect it during rains and dry periods. She also suggests putting a fence around the plants to keep away rabbits and deer.

    She says the only work needed once beets have been thinned is weeding and, when the weather is dry, a weekly watering.

    For best results, beets should be picked when they are four to five centimeters across.    (10)    .


上期活动答案：
1.        directions
2.        describes
3.        predicts
4.        interact
5.        extend
6.        in the voice of
7.        sneeze on
8.        keep track of
9.        create future inventions
10.        developments in computer technology will make what now seems like science fiction a part of our everyday lives