1、单选题：
Solids have a __________ shape and are not appreciably __________.
选项：
A:sharp, convertible
B:definite, incompressible
C:indefinite, incompressible
D:indefinite, compressible
E:definite, compressible
答案: 【definite, compressible】

2、单选题：
The symbol for the element potassium is __________.
选项：
A:K
B:Ca
C:Pt
D:P
E:S
答案: 【K】

3、单选题：
The SI unit for mass is __________.
选项：
A:gram
B:kilogram
C:troy ounce
D:pound
答案: 【kilogram】

4、单选题：
The temperature of 25°C is __________ in kelvins.
选项：
A:138
B:298
C:248
D:103
E:166
答案: 【298】

5、单选题：
The density of silver is 10.5 g/cm3. A piece of silver with a mass of 61.3 g would occupy a volume of __________ cm3.
选项：
A:0.171
B:0.00155
C:10.5
D:644
E:5.84
答案: 【5.84】

6、单选题：
The correct result of the molecular mass calculation for H2SO4 is ________. 4 × 15.9994 + 32.066 + 2 × 1.0079
选项：
A:98.079
B:98.08
C:98.074
D:98.838
E:98.84
答案: 【98.079】

7、单选题：
There are __________ significant figures in the answer to the following computation: (29.2 - 20.0) (1.79 × 105)/1.39
选项：
A:1
B:2
C:3
D:4
E:5
答案: 【2】

8、单选题：
Of the following, __________ is the smallest mass.
选项：
A:25 kg
B:2.5 × 109 fg
C:2.5 × 10-2 mg
D:2.5 × 1010 ng
E:2.5 × 1015 pg
答案: 【2.5 × 109 fg】

9、单选题：
Accuracy refers to __________.
选项：
A:how close a measured number is to infinity
B:how close a measured number is to the calculated value
C:how close a measured number is to other measured numbers
D:how close a measured number is to the true value
E:how close a measured number is to zero
答案: 【how close a measured number is to the true value】

10、单选题：
In which one of the following numbers are all of the zeros significant?
选项：
A:0.05843
B:0.003002
C:0.1
D:100.09009
E:0.14329
答案: 【100.09009】