当看到有时,应该()。
A、戴好防护眼镜
B、戴好安全帽
C、穿好防护靴
D、保持清洁
参考答案:C
用gather, all together与altogether填空。
①There are 50 computers in the computer lab_________.
②The new building is not ___________ finished.
③__________,we think her hurried marriage is wrong.
④Put the plates _________ in the sink.
⑤The audience stood up_________
⑥Dark clouds were_________ ,indicating that a storm was on the way here.
男,40岁,腹痛,恶心,呕吐,不排气排便3天,左上腹压痛明显,轻度反跳痛,多次立位X线腹平片提示左上腹孤立胀大肠袢,位置固定,此时最有价值的检查是()。
A.钡剂检查
B.腹腔穿刺
C.血气分析
D.结肠镜检查
E.腹部B超