19．He found something floating on the lake.which frightened him．——青夏教育精英家教网——

19．He found something floating（漂浮） on the lake，which frightened him．

18．Because of the earth's gravity （重力），apples fall to th ground．

17．Visitors are not permitted （允许）to touch anything without permission．

16．I opened the packet just to satisfy my curiosity（好奇心）．

15．Although we are good friends，I don't share her religious（宗教的） beliefs．

14．Most teens look forward to learning how to drive．（31）G．Fortunately，there are things that you can do to help your teen become more comfortable behind the wheelBelow are some tips for helping your teen become a more confident drver．
（32）A
Before your teen gets behind the wheel of a car，he or she should be familiar with the rules of the road．You should have your teen review the driver's handbook and the vehicle's instruction．If your teen understands the basic rules and how the car works，then he or she will feel a little better about getting on the road．
Model good driving
Actions speak louder than words．Many people will tell you that they learned how to drive by watching one of their close family members drive．（33）C．
Practice
Practice makes perfect．The more your teen practices，the more confident he or she will become．Your teen should tart off by driving in a place that is free of barriers．（34）E．After your teen has gotten comfortable about this，he or she can start practicing on the road．
Drive in a variety of conditions
In order for your teen to become a good driver，he or she has to practice driving in a variety of conditions．（35）F．
Get car insurance
Many teens are worried about how much money their parents would have to pay if an accident occurred．You should explain to your teen that car insurance can help one save a lot of money．

A．Teach your teen the rules of the road
B．Everyone should be considerate of others on the road
C．You should show good driving techniques with examples
D．Let your teen finish school before he or she gets on the road
E．An empty parking lot is a good place for a new driver to practice
F．This includes things such as heavy traffic，bad weather and freeways
G．However，some of them are nervous about actually getting out on the road．

13．Dear Mr．Black，
I'm very thank to you for inviting me to stay with you in the come summer vacation I have been dreamed of seeing you again so that I can get help from you in my English learning．And I'm afraid I cannot go to your place in this summer．I've promised my grandmother，she lives in the country，to spend this summer with her．She misses me too much that I find difficult to refuse her request．I'm busy preparing for my examinations in present．I planned to visit you in winter if it's convenient to you．
Best wishes．
Yours truly，
Li Ying．

12．The boy doesn't work as _______ as many of his classmates．（　　）

11．With time ________on，our knowledge broadened．（　　）

10．We can allow such a thing to continue________．（　　）

0 140089 140097 140103 140107 140113 140115 140119 140125 140127 140133 140139 140143 140145 140149 140155 140157 140163 140167 140169 140173 140175 140179 140181 140183 140184 140185 140187 140188 140189 140191 140193 140197 140199 140203 140205 140209 140215 140217 140223 140227 140229 140233 140239 140245 140247 140253 140257 140259 140265 140269 140275 140283 151629