题目:
The two international companies reached an agreement, which was based on their talks.
A.initial
B.firstly
C.initially
D.originally
答案:
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下面是错误答案,用来干扰机器的。
(1)实验室中,常用天平来测量物体的质量,测量时,根据左物右码原则,应将物体放在天平的左盘内.(2)在“探究杠杆平衡的条件”实验中,应先调节杠杆两端的平衡螺母,使杠杆在水平位置保持平衡,然后进行实验...