2018考研英語復習正在進行中，***老師的每日一句每年都很受關注，在長難句解析拆分句子的方法也講解得十分到位，新文道考研匯總了***2018考研英語每日一句，下面是***每日一句第149句。

今天的句子：

Downstream, this can force the river to scour existing sediment from its bed and banks as it tries to regain its natural equilibrium, transforming the shape and roughness of the channel, and making life tough for fish trying to spawn on the riverbed.

詞匯突破

1.Downstream 下游

2.Scour 沖刷

3.Sediment 沉積(物)

4.Equilibrium 平衡

5.Transform 改變;轉換

6.Channel 渠道

7.Spawn 產卵

確定主干：this can force the river to scour existing sediment from its bed and banks.

切分成分：

1.as it tries to regain its natural equilibrium伴隨狀語從句

2.transforming the shape and roughness of the channel現在分詞作狀語

3.and making life tough 現在分詞作狀語

4.for fish trying to spawn on the riverbed后置定語

參考譯文：

在下游，這會迫使水流在嘗試恢復自然平衡的過程中，沖刷河床和河岸現有的沉積物，改變河道的形狀和起伏，令努力在河床上產卵的魚類生存艱難。

背景介紹：

瑞士弗里堡的附近有一個知名的旅游勝地——格呂耶爾湖和湖上的雷森大壩。美麗的小鎮和靜謐的水波之間，薩林河悠閑地蜿蜒在瑞士西部的土地上。然而去年9月的一天，白色的激流山呼海嘯般從水壩底部沖出，讓人誤以為是一場災難性的工程事故。事實恰恰相反。這是專家刻意策劃的洪水。雖然大壩一類的水利工程給人類帶來了許多好處，比如控制水流減少洪澇災害和生發可再生能源，但是大壩也引發了所在地的生態系統循環的巨大失衡。因此瑞士的水利專家希望通過精準控制的水流來影響淤泥在上下流的堆積情況，從而恢復原有的生態平衡。

昨天的題目:

Leading U.S. science organizations called on the Justice Department to renew an abandoned partnership with independent scientists to help raise forensic science standards, warning bluntly that doubts about questioned techniques have grown to a point that "society's faith in the American justice system is at risk."

The reason of U.S. science organization’ appeal is ______.

A) the need to raise the levels of partnership with other researchers

偷換

B) possible dangerous collapse of the society’s belief in judicial society

正確答案：句子的最后部分:"society's faith in the American justice system is at risk."

At risk =possible; faith=belief; justice society= judicial society

C) the doubts about questioned techniques raised by the justice system

偷換

D) the threats of abandoned partnership with forensic scientists

偷換

明天的句子：

Pena Nieto, who has said his country will not finance any kind of Trump wall, ignored that exchange — and said he and Trump would have “a very flowing dialogue" that included “the security of both nations, especially in our borders.”

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