Question

Birds'singing is sometimes a warning to other birds________away.

A．staying

B．stayed

C．stay

D．to stay

Answer 1

D

試題分析：句意：鳥(niǎo)的叫聲有時(shí)是警告其他的鳥(niǎo)要離開(kāi)。因?yàn)樵摼湟呀?jīng)有系動(dòng)詞，故不缺少謂語(yǔ)動(dòng)詞，排除C；warning是抽象名詞，它的后面常用不定式作定語(yǔ)，故選D。
點(diǎn)評(píng)：本題難度適中。非謂語(yǔ)動(dòng)詞是高中階段的重難點(diǎn)之一，內(nèi)容多又雜，不容易理解，需要考生有分析理解復(fù)雜的句子結(jié)構(gòu)的能力。題目的設(shè)置注重了情景化和結(jié)構(gòu)復(fù)雜化，加大了考生對(duì)題干句的理解難度。設(shè)問(wèn)的角度呈現(xiàn)出多樣化趨勢(shì)，不僅僅是非謂語(yǔ)間的互相干擾。
即學(xué)即練：The old man sat in front of the television every evening, happy _______anything that happened to be on.
A. to watch               B. watching    C. watched        D. to have watched
解析：A。動(dòng)詞不定式短語(yǔ)作原因狀語(yǔ)。句意：那位老大爺每天晚上坐在電視機(jī)前，非常開(kāi)心地觀看即將上映的任何節(jié)目�！癶appy ____anything that happened to be on.”作目的狀語(yǔ)。