9. Some space agencies also send unmanned probes to measure the size, the temperature, and the ________ of the comet.
(A) composition
(B) compensation
(C) combination
(D) contribution

答案：登入後查看
統計： A(286), B(27), C(66), D(23), E(0) #356752

第一口井已成功挖掘泉水,感謝阿摩

B2 · 2013/04/12

#592439

unmanned 無人駕駛的

probe 太空探測器

comet 彗星

Hsu Baleng

B1 · 2013/03/26

#578569

composition 成份；compensation 補償, 彌補; 賠償

Lu Pink

B3 · 2015/04/03

#1023276

combination結合（體）；聯合（體）;密碼鎖