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2251．—________rapid progress our country is making in science and technology!
—So it is.We are enjoying the convenience of modern technology.（ ）发布：2024/12/27 6:30:1组卷：68引用：4难度：0.62252．-It's generous __________ him to provide the poor children __________ so much food．
-Yes，I think he is the person that we should admire very much．（ ）发布：2024/12/27 6:30:1组卷：70引用：2难度：0.72253．If you look at the top of your phone，you'll usually see a little symbol that says 3 G or 4 G. （1）
But these symbols will become things of the past after 5 G networks fully arrive.
On March 30，2019，Shanghai vice mayor Wu Qing made the first 5 G video call on a Huawei Mate X Smartphone.（2）About 100 times faster than 4 G networks，5 G will let people download（下载）and upload data（数据）faster than ever before.But 5 G won't just bring faster mobile internet.（3）
For example，5 G will help to make self-driving cars safer.Today's self-driving test cars have one problem-lag（延 迟）.When the car"sees"an obstacle（障碍物），it sends this information to a data center and receives instructions.（4）With this kind of lag，the cars might hit each other because they don't receive instructions in time.With 5 G，this lag will be greatly lowered，making the cars safer.
5 G could also be used to help the internet of things（IOT物联网）.IOT is a large online network that connects all things and people.Fast internet speeds will be the key to developing this technology.（5）For example，with IOT，your refrigerator could automatically（自动地）place an order online for eggs when it finds that there are no eggs left inside.
A.Shanghai has also become the first city in China to start testing 5 G networks.
B.5 G will help us buy eggs quickly.
C.People can use it for many other things as well.
D.However，it takes time to send and receive this information.
E.The"G"is the"generation（代）"of your mobile network.
F.The IOT could be used in a lot of ways.
G.5 G networks are much faster than 4 G or3 G.发布：2024/12/27 6:30:1组卷：26引用：2难度：0.42254．The little girl kissed her father and said， " Dad，I love you three
（千）time．"发布：2024/12/27 6:30:1组卷：20引用：2难度：0.72255．---I believe this is the best movie of the year.
---Well，_____________.Anyway，the ending is OK.（ ）发布：2024/12/27 6:30:1组卷：46引用：10难度：0.8
2256．-- ？
--Yes，I have.I went there last year.发布：2024/12/27 6:30:1组卷：77引用：5难度：0.62257．--Someone is knocking at the door.Is that Li Hua？
--It be him.He is giving a performance in the theater now.（ ）发布：2024/12/27 6:30:1组卷：8引用：7难度：0.72258．Hurry up，_______ you will be late for school．（ ）
发布：2024/12/27 6:30:1组卷：72引用：10难度：0.7
2259．so…that 发布：2024/12/27 6:30:1组卷：14引用：4难度：0.62260．—I didn't do well in the writing competition.
—_________.Keep practising and you will do better next time.（ ）发布：2024/12/27 6:30:1组卷：50引用：4难度：0.6
