CNN260831

Q1:Name：

填空1

Q2:What was the immediate catalyst for Metas newly announced restrictions on teenage users?

A. A landmark settlement with 47 US states and the District of Columbia

B. A sharp decline in advertising revenue from under-18 users

C. A directive issued by the European Commission

D. The launch of a rival platform popular with teenagers

Q3:According to the report, how does Meta intend to prevent teenagers from using regular adult accounts?

A. By requiring written permission from parents

B. By imposing a complete ban on all users under 18

C. Through identification or facial-recognition verification

D. By limiting account registration to daytime hours

Q4:Which of the following features will be limited for younger users under Metas new policy?

A. The ability to send private messages

B. Visible like-counts and beauty filters

C. The option to create group chats

D. Access to live-streaming functions

Q5:As part of its commitments, Meta agreed to ______.

A. appoint an independent auditor to oversee compliance

B. shut down Instagram within twelve months

C. pay compensation directly to teenage users

D. transfer user data to federal regulators

Q6:What is the most likely underlying reason for hiding like-counts from teenage users?

A. To reduce the pressure of social comparison and protect teens' mental well-being

B. To conceal declining engagement figures from investors

C. To encourage teenagers to spend more time watching videos

D. To simplify the app's interface for first-time users

Q7:The Nancy Grace Roman Space Telescope was launched ______.

A. on a SpaceX Falcon Heavy rocket from the Kennedy Space Center

B. aboard a Russian Soyuz rocket from Kazakhstan

C. on NASA's new SLS rocket from Cape Canaveral

D. by the European Space Agency from French Guiana

Q8:In what respect is Romans primary mirror comparable to Hubbles?

A. It is exactly the same diameter — 2.4 metres

B. It is roughly twice as large

C. It is made of an identical gold-coated beryllium

D. It can be folded and unfolded in orbit

Q9:Romans Wide Field Instrument allows it to ______.

A. capture a patch of sky about a hundred times larger than Hubble's in a single exposure

B. photograph individual galaxies in far greater detail than Hubble

C. detect radio signals from the earliest stars

D. record images in ultraviolet light invisible to Hubble

Q10:Where will Roman ultimately carry out its observations?

A. In low Earth orbit, approximately 550 kilometres above the surface

B. On the far side of the Moon

C. At the Sun-Earth Lagrange Point 2, some 1.5 million kilometres away

D. In a highly elliptical orbit around Jupiter

Q11:Why has Roman been dubbed a discovery machine?

A. Its combination of Hubble-class resolution and an enormous field of view will let it survey the sky hundreds of times faster than its predecessors

B. It is the first telescope capable of detecting life on other planets directly

C. Its mirror can be pointed anywhere in the sky within seconds

D. It will transmit high-resolution images to the public in real time

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