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搜题
【单选题】
在相同的条件下,声音在下列三种介质中的传播速度从小到大的排列顺序是( )
A.
铝、海水、空气
B.
铝、空气、海水
C.
空气、海水、铝
D.
以上说法都不对
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举一反三
【单选题】I __________a brother and Helen ______ a sister.
A.
have,have
B.
have,has
C.
has,has
D.
has,have
【单选题】Jack ______ a part-time job, but I don’t ______one. A. has; have B. have; have C. has; has D. have; has
A.
has have
B.
have have
C.
has has
D.
have has
【单选题】I ____ a big nose, but he ____ a small nose.
A.
have; have      
B.
have; has       
C.
has; has
【单选题】印刷焊锡膏工作结束前,还要做好工具的清理和维护工作,下面做法 不正确 的是
A.
( A ) 将模板清洗干净 ,必要时可以用坚硬的金属针划捅。
B.
( B ) 刮刀全部清洗干净。
C.
( C ) 多余焊锡膏放入另一容器中保存,根据情况决定是否重新使用。
D.
( D ) 让机器退回关机状态,并关闭电源与起源,同时填写工作日志表。
【单选题】—What does she _______? —She _______ a nice hat. [     ]
A.
have; have
B.
has; has
C.
has; have
D.
have; has
【简答题】选词填空。 1. Australia _____________ (have / has) beautiful beaches. 2. What colour _____________ (are / is) its stars? 3. _____________ (Does / Do) you know what it is? 4. _____________ (Are / Do) you se...
【单选题】We each ______ strong points and each of us, on the other hand, _______ weak points. A. have; have B. has; have C. has; has D. have; has
A.
have; have
B.
has; have
C.
has; has
D.
have; has
【单选题】目前,国际上通行的工伤保险基金筹资原则是( )
A.
雇主缴费原则
B.
雇员缴费原则
C.
国家投资原则
D.
社会投资原则
【单选题】In all one's lifetime it is oneself that one spends the most time being with or dealing with. But it is【C1】______ oneself that one has the【C2】______ understanding of. When you are going upwards in lif...
A.
principally
B.
physically
C.
precisely
D.
promptly
【单选题】印刷焊锡膏工作结束前,还要做好工具的清理和维护工作,下面做法 不正确 的是 。
A.
将模板清洗干净 ,必要时可以用坚硬的金属针划捅。
B.
刮刀全部清洗干净。
C.
多余焊锡膏放入另一容器中保存,根据情况决定是否重新使用。
D.
让机器退回关机状态,并关闭电源与起源,同时填写工作日志表。
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