采用（）时，会产生大量的金属蒸气，因此必须采用通风措施。
A.电阻对焊
B.闪光对焊
C.磨擦焊
D.爆炸焊
参考答案：B
XXX，女，26岁， * * 及乳晕皮肤破裂，分泌脂水，结黄色痂，小儿吸吮时，痛如刀割，应选择的方剂是
A．橘叶瓜蒌散
B．五味消毒饮
C．丹栀逍遥散
D．瓜蒌牛蒡汤
E．龙胆泻肝汤
根据句意及首字母提示完成单词。
1. —How much are the bags? —They're fifteen d ________.
2. —Can I h ________ you?
3. My shoes are small. I want to b ________ big ones.
4. We have c ________ in all colors.
5. C ________ and have a look at the bags.
6. My shirt is w ________, but your shirt is black.
