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【单选题】
辅助功能指定M05代表:( )
A.
A主轴顺时针旋转
B.
B主轴逆时针旋转
C.
C主轴停止
D.
D主轴启动
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参考答案:
举一反三
【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
A.
单毛菌
B.
丛毛菌
C.
周毛菌
D.
有鞭毛的细菌
E.
无鞭毛的细菌
【判断题】任何水溶液中(不论酸、碱或中性) 都存在Kw= 。
A.
正确
B.
错误
【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
A.
1.2米
B.
1.5米
C.
1.8米
D.
2.4米
【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。
A.
正确
B.
错误
【简答题】用词的适当形式填空。 1. It's good for everyone to take_____________ (exercise). 2. I have some __________(candy) in my hand. 3. This is not your desk. __________(you) is there. 4. The story is very ___________(...
【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...
【单选题】有鞭毛的细菌在半固体培养基中可出现
A.
菌落
B.
菌膜生长
C.
混浊生长
D.
沿穿刺线生长
E.
沿穿刺线扩散生长
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