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【多选题】
目前我国已经颁布的水环境质量标准有( )A.
地面水环境质量标准
B.
海水水质标准
C.
生活饮用水卫生标准
D.
渔业水质标准
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】What does 'commit' (Line 1, Para. 3) mean?
A.
Buy jewels for the lady.
B.
give deposit.
C.
Be successful in career.
D.
Make promises to he responsible.
【单选题】The word 'random' (Line 3, Para. 3) is closest in meaning to______.
A.
unfortunate
B.
unusual
C.
unobservable
D.
unpredictable
【单选题】以下哪一条最不能反映科学会受到社会的影响?
A.
科学的本质是一种人类活动，而人类天生是一种社会动物
B.
如今的大学实验室中，通常都是数十位甚至数百位科学家一起共事
C.
哥白尼、牛顿和笛卡尔的工作是在比较封闭的环境中完成的
D.
现如今，研究成果若要发表，需先经这同行评审程序的评估
【单选题】'Build on '(Para. 3, Line 1)most probably means______.
A.
rely on
B.
give up
C.
conduct an investigation into
D.
pay great attention to
【简答题】The word “hassles” in the passage (Line 3, Para. 3) probably means ________. A) agreements B) worries C) disadvantages D) quarrels
【单选题】The word 'bequeath'(Line 3, Para. 1) means
A.
leave in his will
B.
give reluctantly
C.
exhibit proudly
D.
exchange for money
【简答题】The word “precept” (Line 3, Para. 3) probably means “________”. A) idea B) punishment C) behavior D) instruction
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