【单选题】【消耗次数：1】
Some universities offer free, non-credit MOOCs __________to anyone in the world.
①
useful
②
available
③
easy
④
hard
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相关题目
【单选题】
Some universities offer free, non-credit MOOCs __________ to anyone in the world.
①
useful
②
available
③
easy
④
careful
【单选题】
It was our last chance to make some money from his sale ( ) he would have been available on a free next summer.
①
from
②
as
③
of
④
with
【单选题】
I’d____ it if you could offer me some advice on the task. ?
①
appreciate ?
②
afford ?
③
ask ?
④
admit ?
【判断题】
Credit cards are be used in most countries, but you may also need to bring some cash.
①
正确
②
错误
【单选题】
It is _____________ that today people in some remote areas know about the rest of the world.
①
difficult
②
amazing
③
inferior
④
superior
【单选题】
Some words are hard to____ because they have too many
different uses.
①
express
②
explain
③
define
④
describe
【单选题】
I have _________ some courses and software to my Smartphone, and I find they are very interesting and easy to use.
①
uploaded
②
downloaded
③
copied
④
copy
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Some childrens programs are educational and give useful and helpful information.
①
正确
②
错误
随机题目
【单选题】
“（ ）”体现了事故的突变性。
①
系统由安全状态转化为危险状态往往令人措手不及。
②
事故发生的原因可以分为直接原因和间接原因。
③
事故通常会造成一定的经济损失或人员伤亡。
④
危险是普遍存在的，只要几率不为零，事故就有可能发生。
【单选题】
下面事故等级划分正确的是（ ）。
①
重大事故、特别重大事故和特大事故
②
一般事故、较大事故、重大事故和特别重大事故
③
一般事故、特别重大事故和特大事故
④
一般事故、重大事故、特大事故和特别重大事故