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【单选题】
天然气的主要成分是甲烷(化学式为CH 4 )。下列关于甲烷说法中正确的是A.
甲烷的相对分子质量是16g
B.
甲烷中含有1个碳原子和4个氢原子
C.
甲烷中碳的质量分数为20%
D.
甲烷是结构最简单的有机物
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【多选题】投标人的下列行为,可能导致废标的是( )
A.
评标委员会在评标过程中，发现投标人借用他人名义投标
B.
评标委员会在评标时，确认投标人的报价属于低于成本投标
C.
招标人对工期要求为210个工日，投标人投标时报工期为200个工日
D.
对招标文件商务条款未做实质性响应的
E.
某投标人的投标文件没有投标人授权代表签字
【多选题】投标人的下列行为,可能导致废标的是( )
A.
对招标文件商务条款未做实质性响应的
B.
某投标人的投标文件没有投标人授权代表签字
C.
评标委员会在评标过程中，发现投标人借用他人名义投标
D.
评标委员会在评标时，确认投标人的报价属于低于成本投标
E.
招标人对工期要求为210个工日，投标人投标时报工期为200个工日
【单选题】Since I won the big prize, my telephone hasn’t stopped ringing. People ______ to ask how I am going to spend the money.
A.
phone
B.
will phone
C.
were phoning
D.
are phoning
【单选题】I don't want to borrow Kent's big bicycle because I am too small to ride______.
A.
that bicycle of him
B.
that bicycle of his
C.
mat his bicycle
D.
his that bicycle
【单选题】Since I won the big prize, my telephone hasn't stopped ringing. People _____ to ask how I am going to spend the money. [ ]
A.
phone
B.
are phoning
C.
were phoning
D.
will phone
【多选题】根据当前的科技水平和视听资料的应用,按照其表现的不同形式可以把视听资料划分为以下几种:( )
A.
录音资料
B.
录像资料
C.
文献资料
D.
其他应用专门技术设备检测得到的信息资料
【简答题】阅读理解。 Hi, I am Andy. I am in Class 3, Grade 7. Welcome to our classroom. Isn't it big and clean? We all have lockers in the classroom. The red lockers are girls'. And boys' lockers are yellow. Do you ...
【单选题】—I am trying my best to learn English, but it doesn't work well! —Don't worry! Regard it _____ a big challenge! [ ]
A.
to
B.
with
C.
for
D.
as
【简答题】选词填空。 don't didn't went go going take took by ate I am John. I like _____________ on big trips. I usually _____________ a trip on my summer holiday. I often go to Beijing with ...
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