【单选题】细菌在半固体培养基中生长时,可看到细菌只沿穿刺线生长,此细菌可能是
【多选题】环节动物门的主要特征为( )
A.
身体两侧对称、同律分节、三胚层、真体腔、闭管式循环系统的、链状神经系统
【简答题】根据中文提示,用词组的适当形式填空。 1. Children often have ________ ________ (许多)fun in the school sports meet. 2. The teacher said “You can ________ ________(上交) your homework tomorrow. 3. The bridge is ________ ____...
【单选题】防水涂料在住宅卫浴空间淋浴面墙体应涂刷高度至
【简答题】根据汉语提示,用词的正确形式填空,每空一词。 1. Have you ever been to an _________ (娱乐) park? 2. I have been to Japan _________ (两次). 3. I like fruit, _________ (特别) apples. 4. Our life has _________ (改变) a lot. 5.What do ...
【简答题】根据中文提示,用词组的适当形式填空。 1. They have to stay at home for a long time ____________ ____________ the heavy rain. (由于) 2. He doesn't mind, ___________ ___________ he is very pleased. (事实上) 3. ________ _______...
【判断题】在半固体培养基中有鞭毛的细菌可沿穿刺线呈羽毛状或云雾状混浊生长,无鞭毛细菌则只能沿穿刺线呈明显的线状生长。
【简答题】用词的正确形式填空。 1. I have been (collect) stamps for five years. 2. You shouldn't (argue) with your classmates. 3. When he was very young, he took great more (interest) in science. 4. It was raining when th...