make and create our own resources on other planets and moons by learning how consumables(消耗品)behave in different environments.

1.How did the students feel when they got the chance to design the experiment?

A.Doubtful.

B.Tense.

C.Thrilled.

D.Casual.

2.What does the underlined word“This”in Paragraph6refer to?

A.The preparation work on Earth.

B.Adding yeast on Earth.

C.The mixing of two stages.

D.Fermentation and carbonation.

3.What can we learn about the experiment from the passage?

A.Its process was adapted to make it safer and greener.

B.It’s quite competitive compared with other designs.

C.Its design has already been approved by TeamIndus.

D.It has been designed based on similar experiments.

4.What does the author think of the students’idea?

A.It seems like a pipe dream.

B.It’s meaningful and helpful.

C.It’s extremely complicated.

D.It’s creative but impractical.

二、七选五

The past is good for two things:the happy memories,and the lessons it provides.Take some time to think and create two lists:One,your Top Five Most Important Lessons Learned in the Year.And two,your Top Five Favorite Memories of the Year.___1___

Take some time to think

___2___But you just invested8760or so hours of your life in the previous year.To pull what is worth pulling from it,to give it proper perspective and proper closure,it surely deserves some of your focused conscious energy. ___3___

Maybe you lost half your investments this year.Or your job.Or your house.Or you faced health challenges. You may dwell（细想）on the negative,self-defeating questions like“How could I be so stupid?”or“How could God let this happen to me?”But a child doesn’t touch fire,get burned,and then spend the rest of his days–or even hours–thinking bitterly how this could have happened to him.He learns not to touch the fire and twenty minutes later he is happily playing again.___4___

Don’t bang on the beehive（蜂窝）

When discussing the past year,I have already heard so many people stating how bad it was.I hear them