The lecturer felt _____, for some of the students came late and tried to squeeze into the seats in the middle, which disturbed him as well as the other students.
A. agitated
B. fascinated
C. appeased
D. irritated
查看答案
In case of any discrepancy, the original Chinese _____ of this Agreement shall prevail.
A. version
B. edition
C. draft
D. transcript
You'd better stop shopping like crazy; you see, your wardrobe _____ with clothes of all styles.
A. has stuffed
B. has been stuffed
C. has been crowded
D. has been squeezed
离子选择性电极的选择性常用选择性系数Kij的大小来衡量 ( )。
A. Kij值越大表明电极选择性越高
B. Kij值越小表明电极选择性越低
C. Kij值越小表明电极选择性越高
D. Kij通常大于1，但偶尔小于1
用 NaOH 滴定草酸的滴定体系中使用（ ）为指示电极。
A. 玻璃电极
B. 甘汞电极
C. 银电极
D. 硫化银膜电极
微信支付 
支付宝支付