【单选题】On which of the following would the author least probably agree?
A.
Mexico is confronting sever water crisis nowadays.
B.
To maintain water's quantity, we shouldn't exploit groundwater.
C.
The poor is a crucial factor in water management.
D.
The government should fashion the public into a water-conscious sentiment.
【简答题】Choose at least 5 sentences from the dialogue in 2.5.1 to read aloud then upload the audio.
【判断题】蓝细菌是一类革兰氏阳性、能够进行产氧光合作用的自养型原核生物。
【单选题】在下列微生物中能进行产氧光合作用的是( )。
【判断题】凡光合细菌,都是一些只能在无氧条件下生长并进行不产氧光合作用的细菌。( )
【判断题】踏步面防滑条的两端距墙面或栏杆应留出不小于150mm的空隙。
【判断题】蓝细菌是一种可进行产氧光合作用的光能异养型微生物。