【简答题】罗贝尔。格兰说:我们呼吸者的空气,是由氮气、氧气和( )组成的。
【单选题】在锐捷路由器或者三层交换机上成功启动OSPF进程的前提是
【单选题】He ______ at once when I promised to help him.
【单选题】关于极限拉深系数,下属说法不正确的是:()。
A.
圆筒形件拉深时,其拉深系数应小于相应的极限拉深系数。
【简答题】When I turned to him, he _________ to help me. (hesitation)
【单选题】coincidence n. 巧合 fashion n. 时尚 casual a. 非正式的 Deborah 德博拉(人名) 1 Listen to a conversation and choose the best answer to each of the following questions. [音频] Why has Linda come to Ma...
B.
To attend a fashion show
【单选题】-I think _______ask Tim for some advice. -_______. Last time when I turned to him, he refused to help.
A.
you'd rather; I think so
B.
you'd better; I'd rather not
C.
you have to; I'd rather not
D.
you'd better; I think so
【单选题】1 Why has Linda come to Manchester?
B.
To attend a fashion show.