Historically, the depletion of soil’s nitrogen has been one of

您还没有登录，登录以后才可以查看答疑和进行提问。

试题详情

Historically, the depletion of soil’s nitrogen has been one of the most _____ problems faced by farmers: an essential nutrient, nitrogen is quickly leached from soil, and farmers have struggled to find ways to replenish it.

A、capricious
B、ubiqutious
C、worrisome
D、stubborn
E、intractable
F、upredictable

答案：D,E

专业教师答疑

最新

提问

还没有人问到这里。

问个问题

答疑小程序

最热提问

Graphic Analysis
Of the following, which is closest to the percenta......
Text Completion
The irony of digital networking is that it can pro......
Text Completion
Viewing people as "social atoms" that obey rather ......
Text Completion
Needing an advocate who would be both precise and ......
Sentence Equivalence
Philby secretly loathed the host of the party that......
Text Completion
The serious study of prevailing culture by intelle......
Sentence Equivalence
Given the flood of information presented by the ma......
Numeric Entry
For the 3 numbers in a list, the average (arithmet......

试题详情

专业教师答疑 最新 提问

问个问题

答疑小程序

最热提问

专业教师答疑

最新

提问