The sequence of reagents used in Gram staining is () A: Safranin solution → iodine solution → alcohol →<br/>crystal violet B: crystal violet → alcohol → iodine solution → Safranin<br/>solution C: Crystal violet → iodine solution → alcohol → Safranin<br/>solution D: Safranin solution → alcohol → crystal violet → iodine<br/>solution E: Safranin solution → crystal violet → iodine solution →<br/>alcohol

______ is an example of cool colors. A: Grey B: Black C: Burgundy D: Violet

The national flower of the United States is (). A: violet B: tulip C: rose D: daisy

97. "Tulip", "rose", and "violet" are all included in the notion of "flower". Therefore they are superordinate of "flower".

Companies that ________ environmental laws will be heavily fined. A: violate B: vibrate C: violent D: violet

They were in a _________ position, with the enemy on the hill above them. A: voluntary B: vulnerable C: vulgar D: violet

防晒霜上标识UV-proof中，其中字母V代表violet，那么U代表什么？

下列颜色属于绿色系的是 A: earthyolive B: violet C: beige D: plum

The reagents used in bacterial Gram staining are ( ). A: Crystal violet B: Iodine solution C: Ethanol D: Safranine

Peony, jasmine, chrysanthemum, tulip, violet and carnation are of flower. A: superordinate B: hyponyms C: hyponymy D: hypernym