题目内容
（请给出正确答案）
This () your first composition, I'll ask you to write a short one.
A、is
B、will be
C、was
D、being
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更多“This （) your first composition…”相关的问题
A.is
B.will be
C.was
D.being
When we were first married, I knew you would have to spend quite a lot of time on your own, when Icould not spare myself frombusiness affairs.
Your should first know whether any jobs are ______ before application.
A．opened
B．hired
C．available
D．variable
A.A. Recognize and accept the differences between cultures
B.B. Learn to speak their language
C.C. Teach team as much as you can about your culture
If you want to save someone drowning, you ______ .
A．have to pull of your clothes first
B．should hurry to get him out of water as soon as possible
C．should first make out who he is
D．ought to throw a lifeboat to the person first
When you deal with stress the first thing you should do is to______.
A．find out what causes stress
B．seek help from your classmates
C．inquire about instructions
D．make a plan of your work
A certain reaction, A+B → C, is first order with respect to each reactant, with k = 5.0 × 10-3M-1s-1. Calculate the concentration of A remaining after 100 s if the initial concentration of A was 0. 100 M and that of B was 6.00 M. State any approximation made in obtaining your result.
The purpose of the "lightning speed" exercise is to ______ .
A．increase your speed by scanning the text first
B．test your maximum reading speed
C．help you understand more of the content of the book
D．enable you to win reading races against your friends
