配钻具时将钻杆公、母丝扣清洗干净,看通()。
A.钻头
B.钻台
C.水眼
D.工况
参考答案:C
根据句意和汉语注释,写出单词的正确形式。
1. Millie gets a lot of __________(礼物) for her birthday every year.
2. Tom is very (礼貌的) to the teachers.
3. At weekends, my parents often take me to a___________(餐馆) to have dinner.
4. These sports clothes are those football ___________(运动员).
5. My ________(最喜欢的)color is red..
代收电话费业务中,()缴费业务不允许隔笔抹账。
A.移动
B.联通
C.网通
D.电信