(课标版)2020中考英语第一部分教材知识研究九上+Unit+4课件

The teacher often warns us to study harder.老师常常告 诫我们要更加努力学习。
◆warn sb. against /of sth.警告/提醒某人不要做某事。 如：
The doctor warned the patient against smoking. 医生告诫病人不要吸烟。
he doesn’t prepare for it well.
A. that 满分点拨
B. if
C. how
D. when
◆doubt作名词时，意为“怀疑，疑惑”。常见短 语为:
without doubt 毫无疑问(一般用于句首)；no doubt 毫无疑问(一般用于句中); in doubt疑惑,拿不定主意。
如： Without doubt, this is the best. 毫无疑问，这是最好的。 There is no doubt that we will be successful.毫无疑问我 们会成功的。 We are in doubt (about) what to do next. 我们不知道下 一步要做什么。 ◆doubt作动词时，意为“怀疑”，在肯定句中后面可 接if或whether。 在否定句及疑问句中可跟that从句。 如： I doubt if /whether he will come on time. 我怀疑他能否按 时到来。
1. If we Chinese work hard together, Chinese Dream will B．
A. come out B. come true C. achieve D. realize
2. — I am willing to work hard to ___C_____ my dream. —I am sure that your dream ________． A. become true; will realize B. realize; has come true C. realize; will come true D. come true; will achieve
试题在线
1. —Do you know the ____A____ of the stone?
—Yes. It ________ about 200 kilos.
A. weight; weighs
B. weights; weighs
C. weigh; weighs
D. weigh; weights
◆except for除……之外，强调整体是好的。如： John answered all the questions except for the last one. 约翰回答了所有问题，除了最后一道题。
考点四 doubt的用法 考点抢测
6. I doubt B he will win the first 抢测
3. The meat___D_____ five pounds. A. is B. weighing C. weighed
满分点拨
D. weighs
◆表示“称……的重量”，是及物动词；表示“重 （多少）”，是不及物动词。如：
Do you often weigh yourself？你经常称体重吗？
考点五 warn的用法
考点抢测 7. The headmaster warned us against ____C____ the
computer too much. A. play B. to play C. playing D. played 满分点拨 warn v. 警告，告诫 ◆warn sb. (not) to do sth.警告/告诫某人(不要)做某 事，后接名词、代词、that从句作宾语；也可接动词 不定式作宾补。如：
Nobody knew her name but me. 除我之外，没人知 道她的名字。
◆except prep. 除……之外，其后接名词、代词、介 词短语、副词、从句等，表示排除在外。如：
The window is never opened except in summer.除夏 天外，这扇窗户从不打开。
第一部分 教材知识研究
九年级（上）
Unit 4
练讲重难点 考点一 辨析realize与 come true 考点二 weigh的用法 考点三 辨析besides, beside, but, except与except
for 考点四 doubt的用法 考点五 warn的用法
练讲重难点 重难点精析 考点一 辨析realize 与 come true 考点抢测
◆对重量提问，可以用以下几种句型： How much does sth. weigh？/How heavy is sth.?/ What is the weight of sth.？ 如：这头大象多重？
考点三 辨析besides, beside, but, except与except for 考点抢测
—Because he was ill at home.
A. with
B. besides C. beside D. except
满分点拨
◆besides prep. 除了……之外还有……，表示一种累 加关系；adv. 而且，还有。如：
Mary knows Japanese besides French. 除法语外，玛 丽还懂日语。
4. —George, how can you prove the earth is round?
—I can’t, sir.____C____， I never said it was.
A. Except
B. Except for
C. Besides
D. But
5. —Why did they all go swimming ____D____ Sam?
2. There is nothing for me to do ___C_____ wait. A. besides B. except C. but D. except for
3. There is no doubt ____A____ he can finish the work. A. that B. whether C. when D. where
◆beside prep. 在旁边；在附近。如： He sat down beside Emma. 他在艾玛身旁坐下。 ◆but通常用在no, no one, nobody, nothing, any, anyone, anything, every, everyone, everything, all, none, who, what等词语后，如：
满分点拨
realize与come true都有“实现”的意思, 但用法 不同，具体区别如下：
◆realize及物动词，“实现”，有被动语态。主语 为人。可与achieve互换。
◆come true不及物动词词组，“实现，达到”， 无被动语态。主语常为物。如：
His dream of becoming a teacher came true. 他当教 师的梦想实现了。