4.A. hesitated B. ignored C. imagined D. confused

　　5.A. wondered B. realized C. expected D. predicted

　　6.A. bathroom B. bedroom C. toilet D. kitchen

　　7.A. while B. when C. until D. as

　　8.A. sign B. doubt C. point D. breath

　　9.A. clear B. familiar C. strict D. pleased

　　10.A. situation B. state C. condition D. occasion

　　11.A. curiously B. lonely C. coldly D. lively

　　12.A. up B. down C. away D. off

　　13.A. rich B. considerate C. handsome D. strong

　　14.A. dive B. sink C. fall D. float

　　11.A. flooding B. returning C. looking D. calling

　　16.A. Gradually B. Personally C. Thankfully D. Eventually

　　17.A. For B. With C. As D. Through

　　18.A. matter B. affect C. count D. help

　　19.A. changes B. experiences C. disabilities D. decisions

　　20.A. present B. honor C. activity D. life

第二节 语法填空（共10小题；每小题1.5分，满分15分）

　　阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

　　No one knows exactly how the earth began, as it 1 (happen) so long ago. However, according to a 2 (wide) accepted theory, the universe began with a "Big Bang" that threw matter 3 all directions. After that, atoms began to form and combine to create stars and other

4 (body). For several billion years after the "Big Bang", the earth was still just 5 cloud of dust. What it was to become was uncertain between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. The earth became so 7 (violence) that it was not clear 8 the shape would last or not. It exploded loudly with fire and rock. They were in time 9 (produce) carbon, nitrogen, water vapour and other gases, which were to make the earth's