Helium is not inflammable, therefore safer than hydrogen
Câu hỏi
Nhận biếtHelium is not inflammable, __________therefore safer than hydrogen.
Đáp án đúng: B
Lời giải của Tự Học 365
Giải chi tiết:
Luyện tập
Câu hỏi liên quan
-
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
Please ensure that all outstanding debts are cleared within days of________ of this notification, otherwise legal action will follow.
______(57)
___________(55)
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
We are all aware of our secretary's________ plan.
________(60)
________(58)
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
There can be no doubt that recent statements______ the company's true financial position were misleading.
______(53)