问题补充:
单选题Aftercarefulresearch,itwasdecidedthatthespaceshipshouldreentertheEarth’s________.A.surfaceB.airC.environmentD.atmosphere
答案:
D解析atmosphere “大气”。A“表面”;B“空气”;C“环境”。
时间:2020-02-18 17:31:40
单选题Aftercarefulresearch,itwasdecidedthatthespaceshipshouldreentertheEarth’s________.A.surfaceB.airC.environmentD.atmosphere
D解析atmosphere “大气”。A“表面”;B“空气”;C“环境”。