【单选题】维生素D 3 可以在人体内合成,以下条件几乎不能合成维生素D 3 ( )。
【简答题】With the development of computer science, technicians are able to (1) a new blueprint for the city's development in the near future. (选词填空:conceive, deceive)
【单选题】以下关于For循环的说法,正确的是:( )
B.
For循环中,步长可以为正数,也可以为负数。
C.
For循环中,步长为正,且终值小于初值时,程序将进入死循环,需强制退出。
D.
For循环中,循环未执行Exit For正常结束后,循环变量的当前值等于终值+1。
【单选题】I have a lot _____today.
【判断题】Today,I have a lot of works to do.
【简答题】A.reckons B.counts C.reflects D.conceive
【单选题】维生素D3可以在人体内合成,以下条件几乎不能合成维生素D3的是( )
【单选题】Today, I have a lot of new _____ to do
【简答题】With the development of computer science, technicians are able to _____ a new blueprint for the city's development in the near future. (选词填空: conceive, deceive)