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【单选题】
目前常用的土壤样品重金属元素分析手段不包括( )A.
原子吸收法
B.
原子荧光法
C.
X射线荧光法
D.
气象色谱法
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举一反三
【单选题】Retractable gear is designed to reduce air _____ and increase airplane performance.
A.
resistance
B.
turbulence
C.
density
D.
insistence
【单选题】Can you find a specific verb to fill in the blank? He thrust forward and _______ her arms.
A.
caught
B.
took
C.
gripped
D.
touched
【单选题】Q: How did Troy help to calm his wife down and wash her? A: Troy talked softly in _____ to calm her down. And very gently, he washed each of her hands. Then slowly and carefully, he washed her arms an...
A.
Spanish, brown
B.
English, white
C.
Russian, sallow
【单选题】Retractable gear is designed to reduce air _____ and increase airplane performance.
A.
turbulence
B.
resistance
C.
density
D.
insistence
【单选题】She held her son tenderly in her arms and ________ his hair, and said nothing until he was calm again.
A.
struck
B.
stuck
C.
stroked
D.
stacked
【简答题】采取抑景的手法,使园林凸显艺术魅力,抑景主要有()之分。
【简答题】试绘制简图表示建筑内直接给水方式,并简要说明该方式的优缺点?
【简答题】Ena was very pretty and kind. ____41____, when she woke up and stretched(伸展) her arms above her head one day she felt a bald patch in her hair. Then she ___42____ lots of hair on her pillow. Over the ...
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