_________ relatively costly, the engine is highly efficient and needs serving infrequently.
A. Even
B. It is
C. There is
D. Even though
正确答案是D
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/91172.html
上一篇:相应的α-酮酸是三羧酸循环中间产物的氨基酸是()
下一篇:在宗法制度之下,周代王位的传递实行()