問題詳情

四、閱讀測驗【請在下列各題中選出最適當的答案】第一篇：Pothos plants are one of the most popular houseplants. They aren’t fussy about light or water or fertilizationand when it comes to how to propagate a pothos, the answer is as easy as the node on the stem. Pothospropagation begins with the root nodes on the stem right below the leaf or branch junctures. These tiny bumps onthe stems of rooting pothos are the key to propagating pothos. When an aging plant begins to get leggy or a fulland healthy plant grows too long, simply give the plant a haircut.To begin the process of propagation, one will snip off 4- to 6-inch lengths of healthy stem for the pothoscuttings, making sure each cutting has four or more leaves. Then, the leaf that is closest to the cut end needs to beremoved. Once the stems are cut, they’re ready to begin rooting. Pothos propagation can be accomplished in twoways. One might want to try both to see which one works best.The first method of propagating pothos is to place the cut ends of the stems in water. An old glass or jelly jaris perfect for rooting pothos. The jar of pothos cuttings needs to be put in a place that gets plenty of light, but notdirect sunlight. About a month after the roots begin to show, one can plant the cuttings in soil and treat them asone would any other houseplant. Be careful though, the longer pothos cuttings remain in water, the harder timethey have adapting to soil. It is best to transplant rooted pothos cuttings as soon as they start roots.The preferred method of how to propagate a pothos begins the same as the first. Take the pothos cuttings andremove the first leaf above the cut ends. Dip the cut end in rooting hormone. Make sure the first set of root nodesis covered. Set the cuttings in a potting mixture of half peat moss and half perlite or sand. Keep the soil moist andkeep the rooting pothos out of direct sunlight. Roots should develop after one month; and after two or threemonths, the new plants will be ready.
51. Which of the following categories does the passage most likely belong to?
(A) Farming chemistry.
(B) Green modernization.
(C)House gardening.
(D) Vegetarian plantation.

參考答案

答案：C
難度：簡單0.761468
統計：A(4),B(12),C(83),D(7),E(0)

內容推薦

內容推薦