【简答题】土的颗粒密度和土粒比重从数值上讲二者是()的。
【简答题】土的颗粒密度和土粒比重从数值上讲二者是()的。
【单选题】There’s still much uncertainty about what it is like to study online. In the sentence, “uncertainty” means:
【判断题】交换名片的顺序是地位低者、男士、晚辈先递
【单选题】Passage 2--- 4. What is the speaker’s attitude toward uncertainty and settling down?
A.
It is better to settle down later.
B.
It is better to settle down earlier.
C.
It is necessary to try every means to avoid uncertainty.
D.
It is not necessary for people to avoid uncertainty.