织制平纹织物时,综框联动开口机构的凸轮1和凸轮2分别以度相位差固定安装在织机的上。
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Choose the best answer to fill in the blanks.It is uncertain ___side effect the medicine will bring about ,although about two thousand patients have taken it.
A. that
B. what
C. how
D. whether
___leaves the room last ought to turn off the light.
Anyone
B. The person
C. Whoever
D. Who
___I have will be yours sooner or later.
A. No matter what
B. No matter whatever
C. Whatever
D. That
_____I can’t understand is____ he wants to change his mind.
A. That ;that
B. Which ;what
C. What; which
D. What; why