billion.C. 170 million. D. 2 billion.4. What is one proposed method for cleaning up space debris?4. What is one proposed method for cleaning up space debris?A. Capturing debris with magnets ……

.__________. DAY 4Cleaning up space (P6)Fill in the table:Space junk:* Old spaceships. * There are about 1.... Kids over 12 can’t go trick-or-treating.C. Kids over 12 can’t dress up in scary costumes.D. Kids ……

up the space junk.D. Finding out the rocket’s origin.2. What does the underlined word “it” refer to in paragraph 2?A. Tracking the rocket.B. Locating the crater.C. Cleaning up ……

it up in May 2021, when he saw a new possibility in the home-cleaning market while working in the home decoration business.“There were no cleaning standards (标准) and professional whole-space ……

of space junk is much harder than simply cleaning your bedroom. Space junk travels at 8 kilometers..., scientists at the Swiss space center have a new cleaning plan. They are about to send a “cleaner satellite ……

to keep pets, such as dogs. However, nobody enjoys cleaning up pet feces (粪便). A company has... out soon! People love to keep pets, such as dogs. However, nobody enjoys cleaning up pet feces ……

PARIS — Fed up with doing the laundry? Scientists are experimenting with self-cleaning clothes, whose fabric is sown with friendly bacteria to eat up dirt and human sweat, New Scientist magazine ……

. Cleaning up the space junk.D. Finding out the rocket’s origin.33. What does the underlined word “it” refer to in paragraph 2?A. Tracking the rocket.B. Locating the crater.C. Cleaning up ……

of experiments and a lot of cleaning up. We practiced our procedures of getting in and out of our....Q: Do the stars look different in space?Charles: It turns out that you don't see the stars all ……

litter.A. Ken formed the habit of picking up litter.B. Ken became tired of doing the cleaning job.B... a day you spent cleaning up the community.Suppose (假设) you were Ken, write a diary describing a day ……

had started dripping from the ceiling (天花板) needed cleaning up. Dagmar Papajewski, a Dortmund city...A CLEANING woman at a museum in Dortmund, Germany, made a costly mistake earlier this month. She ……

do？ - CharlesA: A: Dear Charles,Your problem is common. Sharing space is a hard thing.... Make two groups, and switch (轮换) cleaning duties each weekend.In the meeting, do not get angry ……

has 229 laws currently in effect. In 1994, China set up a legal aid system to help those with financial difficulties.太空行走 space walkTHE nation's first space walk will be carried out in the second half ……

WINDOW cleaning is, more often than not, an unwelcome task that means balancing awkwardly on chairs and ladders. But it is far more extreme (极端的) in space.During a six-hour spacewalk on Aug 10 ……

are some things you need to know.● Cleaning: Before you start your AC for the winter, you should clean it. The AC has been a home for dust (灰尘) and bacteria (细菌) during the autumn.● Cleaning: Before you ……