Unit 6 I'm going to study computer science 易错易混专题练 习题课件

(共18张PPT)
make sure与 be sure的三种固定搭配
A )l. I think the answer is right, but Im not quite
A. sure about
B. similar to
afrald o
D. busy with
解析: be sure of/ about意为“确信;对……有把握”。故选
2.我们要确保每个孩子在学校都是安全的
We should make sure that every child is safe at
schoo
解析: make sure意为“确保;査明”,其后可跟that(可省
略)引导的宾语从句或of短语
3.他一定会成功
e
Is sure to
succeed
解析: be sure to do sth.意为“一定;务必;无疑(会做或
会发生)”,表示说话人的推测和判断
4.我确信他会来
I am sure that he will come
解析: be sure that从句意为“肯定;有把握”,主语是人。
二、send的用法
Please send your sister the book.(改为同义句)
Please send the book to your sister.
解析:send意为“邮寄;发送”,常用于短语 send sb.sth
中,意为“给某人寄/发送某物”,相当于 send sth.tosb
6.我们应该派人去请医生
We should send
for a doctor
解析: send for意为“派人去请”
C7. Mike
an e-mail to his parents after he
arrived in new york
a. lost
reache
C. sent
cooked
三、 be able to与can的辨析
B )8. Finish your homework first, then you'll
watch tv for an hour
car
B. be able to
able
could
解析:will本身就是情态动词,后面不能再跟can和
could等情态动词, be able to可以有人称和数的变化,
可用于多种时态,而can只有现在式(can)和过去式
( could)两种形式。故选B