解析　句意为：这个学生习惯于写下实验中的每一个数据。Be accustomed to doing sth. 习惯于做某事，故选D项。

15．The Chinese government made it clear it refuses to accept and participate in the proceedings of that so­ called arbitration(仲裁) on the South China Sea.

A．which B．how

C．that D．what

答案　C

解析　句意为：中国政府明确表示它拒绝接受和参与在中国南海的所谓的诉讼仲裁。it是形式宾语，真正的宾语是后面的从句。从句句意完整，成分齐全，that引导宾语从句，无具体含义，仅起引导作用。故选C。

第二节　完形填空(共20小题；每小题1分，满分20分)

　　请阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项。

　　People from every corner flooded into the streets that Christmas Eve. Frosty the Snowman and Jingle Bells 36 in stores；on the pavements，the street singers performed happily. Everyone was 37 by someone else，delighted and cheerful. I was alone.

　　As one of 8 kids of a Brazilian family，brought up in America's crowded apartment，I'd spent several yearssearchingforaloneness.Now，38，at27，acollegestudentafterthe39withmygirlfriend，everycellinsidemewantedtobealone，40notatChristmas.Myfamilyhad41toBrazilandmyfriendswere42withtheirownlives.Duskwasapproaching，andthefactthatIhadtoreturntomy43homemademesad.Lightsfromwindowsblinked，andIhopedsomeonewould44fromoneofthosehomestoinvitemeinsidewithaChristmastreedecoratedwithshinyfakesnowand45presents.

　　Atamarket，Ifeltmore46whenpeoplewerebuyinglotsofgoods，which47thegiftswereceivedaschildreninmymind.Imissedmyfamilyandwantedtocryforwantingtobealoneandforhavingachievedit.

　　Outsidethechurch，amanger(马槽) hadbeenset48.Istoodwithotherswatchingthescene，someofthem49themselves，praying.AsIwalkedhome，IrealizedthatleavingBrazilwasstilla50experienceasIstruggledwithwhatIhadbecomein15yearsinAmerica.I'dmournedthe51，butforthefirsttime，IrecognizedwhatI'dgained.Iwasindependent，52andhealthy.Mylifewasstillahead，fullof53.

　　Sometimesthebestgiftistheonethatyougiveyourself.ThatChristmas，Igavemyself54forwhatI'dgaineduptonowandpromisedtogoforward.ItisthebestgiftI'veevergot，theonethatImost55.