考研考试

解析：{{B}}Directions:{{/B}} Read til

来源:网考网考研 所有评论

【单选题】
{{B}}Directions:{{/B}}
Read tile following text.Choose the best word(s) for each numbered blank and markA,B,C、orD、onANSWER SHEET 1.

Most plants can make their own food from sunlight, {{U}} (1) {{/U}} some have discovered that stealing is an easier way to live. Thousands of plant species get by {{U}} (2) {{/U}} photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground {{U}} (3) {{/U}} of fungi(真菌).But in {{U}} (4) {{/U}} a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how {{U}} (5) {{/U}} are {{U}} (6) {{/U}}, mycologist MartinBidartondo of the University ofCalifornia atBerkeley and his team looked in their roots. What they found were {{U}} (7) {{/U}} of a common type of fungus, so {{U}} (8) {{/U}} that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only {{U}} (9) {{/U}} at how they survive, saysBidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.
Plants have {{U}} (10) {{/U}} relations to get what they need to survive. Normal, {{U}} (11) {{/U}} plants can make their own carbohydrates through photosynthesis, but they still need minerals. Most plants have {{U}} (12) {{/U}} a symbiotic relationship with a {{U}} (13) {{/U}} network of what are called my corrhizal fungi, which lies beneath the forest {{U}} (14) {{/U}}. The fungi help green plants absorb minerals through their roots, and {{U}} (15) {{/U}}, the plants normally {{U}} (16) {{/U}} the fungi with sugars, or carbon with a number of plants sharing the same fungal web, it was perhaps {{U}} (17) {{/U}} that a few cheaters—dubbed epiparasites—would evolve to beat the system. {{U}} (18) {{/U}}, these plants reversed the flow of carbon, {{U}} (19) {{/U}} it into their roots from the fungi {{U}} (20) {{/U}} releasing it as "payment."
A．offer
B．equip
C．help
D．provide

网考网参考答案：D
网考网解析：
[解题思路] 动词搭配与辨析。参考上题分析，只有provide与with搭配“provide… with…，意为“为……提供……”。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

相关推荐

发布评论 查看全部评论