工程开工前,应由()到工程质量监督站办理工程质量监督手续。
A.施工单位
B.监理单位
C.建设单位
D.监理单位协助建设单位
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词汇运用(15分)
小题1:I don’t know how ________(look)after a dog.
小题2:Let him__________(walk)to the supermarket.
小题3:--- He __________ (look) happy today. Why?---Because today is his birthday.
小题4: Simon enjoys ________(listen)to music.
小题5:—What about _______(go)fishing , Millie? —Good idea.
小题6: Maths _______(be)my favourite. I like it very much.
小题7: My parents and I often go ____________ (walk) on Sunday morning.
小题8:Amy’s _____________ (hobby) are singing and dancing.
小题9:Mary _____________ (not be) at home now.
小题10:Simon often __________ (fly) kites with her parents in the park.
小题11:___________ your father __________ (read) newspapers every day?
小题12: I like them very much .They are all my (hero).
小题13:Yao Ming is good at playing basketball, and he is a good basketball ________(play).
小题14:My cousin, Sandy ____ (study) English on Sundays.
患者左下颌阻生智齿为三根,拔除过程中远中舌根折断约3mm根尖无病变,此时应采取的最佳治疗方案是()
A.根钳拔除
B.根挺拔除
C.翻瓣去骨拔除
D.延期拔除
E.不予拔除暂观察
SS4型电力机车’rDZlA一200/25型主断路器的保护作用是通过许多电器来接通主断路器的()来实现的。
A、分闸线圈
B、合闸线圈
C、控制电路
D、辅助电路
男,13岁。脐周痛12小时,伴恶心,无呕吐,转移至右下腹4小时。查体:体温38℃,右下腹明显压痛、反跳痛。白细胞计数为18×109/L,首选治疗为()
A.给予抗生素,继续观察
B.给予镇痛药
C.物理降温
D.急诊手术
E.口服肠道抗生素
形成完全垄断的主要原因有①专利所有权②大规模经济③产品个性化④许可权⑤完全控制了投入物⑥品牌忠诚度⑦可有相应替代品()
A、①②③④⑤
B、①②③⑤⑦
C、①②④⑤⑥
D、①②③④⑤⑥⑦