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【单选题】
下列项目中,依法必须招标的工程建设项目( )。A.
施工单项合同估算价为人民币 180万
B.
重要设备、材料等货物的采购，单项合同估算价在人民币 52万元以上
C.
勘察、设计、监理等服务的采购，单项合同估算价在人民币 150万元以上
D.
项目总投资额在人民币 2000万元以上
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【简答题】We keep it to keep the door.
【简答题】We don’t keep winning s _______ we keep playing well. A. because B. unless C. when D. while
【单选题】We don’t keep winning games _______ we keep pla
A.
2. We don’t keep winning games _______ we keep playingwell. （浙江） A.because
B.
unless
C.
when
D.
while
【单选题】Now people can with their friends far away by e–mail, cellphone or letter.
A.
keep on
B.
keep in touch
C.
keep up
【单选题】We now ______ him by writing letters.
A.
keep away from
B.
keep on
C.
keep in touch with
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