YJ17卷烟机机械手传送装置上的抽吸槽应始终处于(),否则烟支无法正常传送。
参考答案:水平位置
子代病毒释放的途径不包括()
A.细胞裂解释放
B.细胞融合释放
C.通过细胞间桥释放
D.出芽释放
E.整合释放
句型转换。
1. There is some rice in the bag. (改为否定句)
There ________ ________ ________ in the bag.
2. Children often have a good time on Children's Day. (改为同义句)
Children often ________ ________ on Children's Day.
3. It starts in May, and goes on to July. (改为同义句)
It ________ from May to July.
4. She writes to her mother twice a month. (对划线部分提问)
________ ________ does she write to her mother?
5. I like apples. I like bananas, too. (合并句子)
I like apples bananas.