题目内容
people watched Shenzhou Ⅸ spacecraft into space successfully in the world.
A. Billion B. Billions
C. Billion of D. Billions of
D 【解析】句意:世界上数十亿人观看了神舟飞船成功进入太空。billion名词,十亿;固定搭配billions of,意为“数十亿”,表示约数。故选:D。
练习册系列答案
相关题目
题目内容
people watched Shenzhou Ⅸ spacecraft into space successfully in the world.
A. Billion B. Billions
C. Billion of D. Billions of
D 【解析】句意:世界上数十亿人观看了神舟飞船成功进入太空。billion名词,十亿;固定搭配billions of,意为“数十亿”,表示约数。故选:D。