练习57　语法填空＋阅读理解

这是一份练习57　语法填空＋阅读理解，共3页。

The Xi'an City Wall is the mst cmplete city wall that has survived China's lng histry. It 1.________ (build) riginally t prtect the city 2.________ the Tang dynasty and has nw been cmpletely restred (修复). It is pssible 3.________ (walk) r bike the entire 14 kilmeters.
We accessed the wall thrugh the Suth Gate. The wall is 12 meters high and frm here yu can see streams f peple mving inside and utside the City Wall.
After 4.________ (spend) sme time lking at all the defensive equipment at the wall, we decided it was time fr sme actin and what 5.________ (gd) than t ride n a piece f histry!
We 6.________ (hire) ur bikes frm the rental place at the Suth Gate. My bike was ld and shaky 7.________ did the jb. It tk us abut 3 hurs t g all 8.________ way arund the Xi'an City Wall. Suppsedly yu can d it in tw hurs, but we stpped at the different gates and 9.________ (watchtwer) t take pictures r just t watch the lcal peple ging abut their 10.________ (day) rutines.
Ⅱ.阅读理解
A
Nbel laureate C N． Yang and Turing Award winner Ya Qizhi have becme Chinese citizens and fficially jined the Chinese Academy f Sciences (CAS) as academicians, the academy's fficial faculty (科) ffice said n Tuesday, Feb 21st 2018.
They are the first verseas scientists t relinquish their freign citizenship t jin fficial faculty f China's highest scientific research rganizatin. Yang, 94, wuld jin the mathematical physics department, while Ya, 70, wuld enter the infrmatin technlgy and science department.
“They are bth internatinally distinguished schlars，” the faculty ffice said in a press statement. “Their entry int the academy's faculty will increase the influence f China's scientific circles glbally.”
Yang and his clleague Li Zhengda received the 1957 Nbel Prize in Physics fr their wrk n parity nn­cnservatin f weak interactin, becming the first Chinese t win a Nbel Prize.
Ya received the Turing Award, the mst famus award in cmputer science, in 2000 “in recgnitin f his fundamental cntributins t the thery f cmputatin, including the thery f pseudrandm number generatin, cryptgraphy, and cmmunicatin cmplexity.”
In late 2017, bth scientists gave up their freign natinality and submitted their request t jin the academy. The ffice had t carry ut new prcedures t accept them.
In recent years, the ffice is actively trying t build a “big academician family”， cnnecting well­knwn schlars arund the wrld t cntribute t China's majr scientific develpment. There are nw 754 Chinese and 78 freign scientists at the academy.
1．What des the underlined wrd “relinquish” in paragraph 2 mean?
A．Pssess. B．Abandn.
C．Demand. D．Hate.
2．What d we knw abut the tw schlars?
A．They study physics.
B．They received the Nbel Prize.
C．They were recgnized as he receivers f Turing Award.
D．They shuld fllw sme entry prcedures cnducted by the fficial faculty ffice.
3．What des the ffice think f the tw schlars entry int the academy's faculty?
A．It will increase China's ecnmic psitin glbally.
B．It will inspire mre peple t g fr the Nbel Prize.
C．It will imprve the glbal influence f China's scientific circles.
D．It will make the science departments in China mre harmnius.
4．What's the main purpse f the fifth paragraph?
A．T tell us Ya's great achievements.
B．T explain why Ya will jin the ffice.
C．T shw hw strng China's academy team is.
D．T cmpare Yang with Ya in terms f science.
B
Imagine yu're standing in line t buy a snack at a stre. Yu step up t the cunter and the cashier scans yur fd. Next, yu have t pay. But instead f scanning a QR Cde (二维码) with yur smart phne, yu just hld ut yur hand s the cashier can scan yur fingerprint. Or, a camera scans yur face, yur eyes r even yur ear.
Nw, this type f technlgy might nt be far away. As technlgy cmpanies mve away frm the traditinal passwrd, bimetric (生物特征识别的) security, which includes fingerprint, face and vice ID, is becming increasingly ppular.
In 2013, Apple intrduced the iPhne 5s, ne f the first smart phnes with a fingerprint scanner. Since then, using ne's fingerprint t unlck a phne and make mbile payments has becme a cmmnplace, bringing cnvenience t ur lives. And since 2016, Samsung has featured eye­scanning technlgy in its tp smart phnes, while Apple's new iphne X can even scan a user's face. But despite its ppularity, experts warn that bimetrics might nt be as secure as we imagine. “Bimetrics is ideally gd in practice, nt s much，” said Jhn Michener, a bimetrics expert.
When intrducing the new iPhne's face ID feature, Phil Schiller, Apple's senir vice­president, said. “The chance that a randm persn in the ppulatin culd lk at yur iPhnes X and unlck it with their face is abut ne in a millin.” But it's already been dne. In a vide psted n a cmmunity website Reddit, tw brthers shwed hw they were each able t unlck the same iPhne X using their wn face. And they aren't even twins.
“We may expect t much frm bimetrics，” Anil Jain, a cmputer science prfessr at Michigan State University, tld CBS News. “N security systems are perfect.”
Earlier last year, Jain fund a way t trick bimetric security. Using a printed cpy f a thumbprint, she was able t unlck a dead persn's smart phne fr the plice, accrding t a tech website Splinter. “It's gd t see bimetrics being used mre，” Jain tld CBS News, “because it adds anther factr fr security. But using multiple security measures is the best defense.”
5．Which is the latest identificatin technlgy in a smart phne accrding t the passage?
A．Face scanning.
B．Eye scanning.
C．QR Cde scanning.
D．Fingerprint scanning.
6．What is a majr prblem f the iPhne X's face ID system?
A．It takes t lng t unlck the phne.
B．It ften fails t recgnize its wner's face.
C．Face data can be used fr ther purpses.
D．Different faces can be used t unlck the same phne.
7．What is Anil Jain's pinin abut bimetric security?
A．It is as secure as traditinal measures.
B．It is perfect withut much imprvement.
C．It has caused much truble fr the plice.
D．It shuld be used with ther security measures.
8．What des the authr intend t tell us in this passage?
A．The ppularity f bimetrics.
B．Security prblems f bimetrics.
C．Varius prblems with bimetrics.
D．Great changes caused by bimetrics.
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