1.选择题- (共3题)
3.金属元素和人体健康有很大关系。钾元素可以调节体液平衡,维持肌肉和神经的功能及代谢。如果人体缺钾会出现肌肉、心律不齐等症状。市场上出售的一种叫做果味钾的补钾药,其主要成分是柠檬酸钾(K3C6H5O7•H2O)。下列有关对柠檬酸钾的说法正确的是( )。
2.单项选择- (共6题)
4.
There are _____advertisements which encourage ______to participate in improving their neighbourhood.
A.the public,the public | B.the public,public |
C.public,public | D.public ,the public |
6.
Many people spend half their time______ways of getting rich.
A.dreaming on | B.to dream up | C.dreaming up | D.dreamt up |
7.
Their belief is that this is the only way for many of these nations______their painful pasts.
A.escaping | B.to escape | C.escaped | D.escape |
8.
I suggest ______10% of the bill for the waiter or waitress if a tip isn’t included.
A.to leave | B.leave | C.being leaved | D.leaving |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(6道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:6
9星难题:0