对于PSW（零件提交保证书）上产品重量的要求单位为KG，一般要求精确到小数点后（）位数。
A.四位
B.三位
C.两位
D.一位
参考答案：A
可治疗高血压的药物
A．去甲肾上腺素
B．麻黄碱
C．间羟胺
D．普萘洛尔
E．苯肾上腺素
—All of us are proud of the progress he's made during the past few years.
—Yes, we're sure he will be even _____. [ ]
A. successful
B. more successful
C. most successful
D. successfully
